test: regenerate helm test fixtures for RateLimitSelectCondition headers MaxItems change

These generated test fixtures reflect the API change from the previous
commit that increased RateLimitSelectCondition.headers MaxItems from 16
to 64. Run `make generate` to reproduce.

Signed-off-by: wucm667 <stevenwucongmin@gmail.com>

Author: wucm667

test/helm/gateway-crds-helm/all.out.yaml

@@ -23995,6 +23995,9 @@ spec:
                                     description: |-
                                       Headers is a list of request headers to match. Multiple header values are ANDed together,
                                       meaning, a request MUST match all the specified headers.
+
+                                      Increase the maxItems from 16 to 64, aligning with HTTPHeaderFilter.
+                                      Revert this change once the upstream Gateway API supports items more than 64.
                                     items:
                                       description: HeaderMatch defines the match attributes
                                         within the HTTP Headers of the request.
@@ -24033,7 +24036,7 @@ spec:
                                       required:
                                       - name
                                       type: object
-                                    maxItems: 16
+                                    maxItems: 64
                                     type: array
                                   methods:
                                     description: |-
@@ -24379,6 +24382,9 @@ spec:
                                     description: |-
                                       Headers is a list of request headers to match. Multiple header values are ANDed together,
                                       meaning, a request MUST match all the specified headers.
+
+                                      Increase the maxItems from 16 to 64, aligning with HTTPHeaderFilter.
+                                      Revert this change once the upstream Gateway API supports items more than 64.
                                     items:
                                       description: HeaderMatch defines the match attributes
                                         within the HTTP Headers of the request.
@@ -24417,7 +24423,7 @@ spec:
                                       required:
                                       - name
                                       type: object
-                                    maxItems: 16
+                                    maxItems: 64
                                     type: array
                                   methods:
                                     description: |-

test/helm/gateway-crds-helm/e2e.out.yaml

@@ -1968,6 +1968,9 @@ spec:
                                     description: |-
                                       Headers is a list of request headers to match. Multiple header values are ANDed together,
                                       meaning, a request MUST match all the specified headers.
+
+                                      Increase the maxItems from 16 to 64, aligning with HTTPHeaderFilter.
+                                      Revert this change once the upstream Gateway API supports items more than 64.
                                     items:
                                       description: HeaderMatch defines the match attributes
                                         within the HTTP Headers of the request.
@@ -2006,7 +2009,7 @@ spec:
                                       required:
                                       - name
                                       type: object
-                                    maxItems: 16
+                                    maxItems: 64
                                     type: array
                                   methods:
                                     description: |-
@@ -2352,6 +2355,9 @@ spec:
                                     description: |-
                                       Headers is a list of request headers to match. Multiple header values are ANDed together,
                                       meaning, a request MUST match all the specified headers.
+
+                                      Increase the maxItems from 16 to 64, aligning with HTTPHeaderFilter.
+                                      Revert this change once the upstream Gateway API supports items more than 64.
                                     items:
                                       description: HeaderMatch defines the match attributes
                                         within the HTTP Headers of the request.
@@ -2390,7 +2396,7 @@ spec:
                                       required:
                                       - name
                                       type: object
-                                    maxItems: 16
+                                    maxItems: 64
                                     type: array
                                   methods:
                                     description: |-

test/helm/gateway-crds-helm/envoy-gateway-crds.out.yaml

@@ -1968,6 +1968,9 @@ spec:
                                     description: |-
                                       Headers is a list of request headers to match. Multiple header values are ANDed together,
                                       meaning, a request MUST match all the specified headers.
+
+                                      Increase the maxItems from 16 to 64, aligning with HTTPHeaderFilter.
+                                      Revert this change once the upstream Gateway API supports items more than 64.
                                     items:
                                       description: HeaderMatch defines the match attributes
                                         within the HTTP Headers of the request.
@@ -2006,7 +2009,7 @@ spec:
                                       required:
                                       - name
                                       type: object
-                                    maxItems: 16
+                                    maxItems: 64
                                     type: array
                                   methods:
                                     description: |-
@@ -2352,6 +2355,9 @@ spec:
                                     description: |-
                                       Headers is a list of request headers to match. Multiple header values are ANDed together,
                                       meaning, a request MUST match all the specified headers.
+
+                                      Increase the maxItems from 16 to 64, aligning with HTTPHeaderFilter.
+                                      Revert this change once the upstream Gateway API supports items more than 64.
                                     items:
                                       description: HeaderMatch defines the match attributes
                                         within the HTTP Headers of the request.
@@ -2390,7 +2396,7 @@ spec:
                                       required:
                                       - name
                                       type: object
-                                    maxItems: 16
+                                    maxItems: 64
                                     type: array
                                   methods:
                                     description: |-