Remove Dependabot entries for retired branch 3.3.x

Author: spring-builds

.github/dependabot.yaml

@@ -4,52 +4,30 @@
 # https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
 
 version: 2
-
 updates:
-    - package-ecosystem: "github-actions"
-      directory: "/"
-      target-branch: "main"
-      schedule:
-          interval: "weekly"
-    - package-ecosystem: "github-actions"
-      directory: "/"
-      target-branch: "3.3.x"
-      schedule:
-          interval: "weekly"
-    - package-ecosystem: maven
-      directory: /
-      schedule:
-          interval: daily
-      target-branch: main
-      ignore:
-          # only upgrade by minor or patch
-          - dependency-name: "*"
-            update-types:
-                - version-update:semver-major
-                - version-update:semver-minor
-    - package-ecosystem: maven
-      directory: /
-      schedule:
-          interval: daily
-      target-branch: 3.3.x
-      ignore:
-          # only upgrade by minor or patch
-          - dependency-name: "*"
-            update-types:
-                - version-update:semver-major
-                - version-update:semver-minor
-    - package-ecosystem: npm
-      target-branch: docs-build
-      directory: /
-      schedule:
-          interval: weekly
-    - package-ecosystem: npm
-      target-branch: main
-      directory: /docs
-      schedule:
-          interval: weekly
-    - package-ecosystem: npm
-      target-branch: 3.3.x
-      directory: /docs
-      schedule:
-          interval: weekly
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: "main"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: maven
+    directory: /
+    schedule:
+      interval: daily
+    target-branch: main
+    ignore:
+      # only upgrade by minor or patch
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+  - package-ecosystem: npm
+    target-branch: docs-build
+    directory: /
+    schedule:
+      interval: weekly
+  - package-ecosystem: npm
+    target-branch: main
+    directory: /docs
+    schedule:
+      interval: weekly