upgrade to latest dependencies

bumping knative.dev/operator ec2f8d6...a4b6855:
  > a4b6855 fix example plugin image refs in knative-operator values (# 2277)
  > 2003e98 Update community files (# 2282)
  > 81e2405 upgrade to latest dependencies (# 2281)

Signed-off-by: Knative Automation <automation@knative.team>

Author: knative-automation

go.mod

@@ -13,7 +13,7 @@ require (
 	k8s.io/apimachinery v0.35.4
 	k8s.io/client-go v0.35.4
 	knative.dev/hack v0.0.0-20260421155212-aeb7b4a9bf96
-	knative.dev/operator v0.48.1-0.20260427021817-ec2f8d60cd78
+	knative.dev/operator v0.48.1-0.20260428171709-a4b68557b182
 	knative.dev/pkg v0.0.0-20260422015212-ec452872dcc1
 )
 

go.sum

@@ -1334,8 +1334,8 @@ knative.dev/caching v0.0.0-20260422140616-453ad996bbe2 h1:HXtegm/lH8phaAGKTnluec
 knative.dev/caching v0.0.0-20260422140616-453ad996bbe2/go.mod h1:SeXUtQmuH+GKPo0WdP7mdktlzqHt69kwvMfyi5Ag+0M=
 knative.dev/hack v0.0.0-20260421155212-aeb7b4a9bf96 h1:YrpWTCDRzoGz0Fe7AcLTsBY+D5vx0ijhuxEVl0z3Xyw=
 knative.dev/hack v0.0.0-20260421155212-aeb7b4a9bf96/go.mod h1:L5RzHgbvam0u8QFHfzCX6MKxu/a/gIGEdaRBqNiVbl0=
-knative.dev/operator v0.48.1-0.20260427021817-ec2f8d60cd78 h1:COmcXRKzsdjPCBkLxniCWah2jT9PN/uiFxAGFHnLuvw=
-knative.dev/operator v0.48.1-0.20260427021817-ec2f8d60cd78/go.mod h1:g4UOuIzAq95iuswPJZgaornye35VImnCLfWbme5WrTg=
+knative.dev/operator v0.48.1-0.20260428171709-a4b68557b182 h1:BwWwO964KOtb49kkj2uQQJL12kLCYjXpcS9DrEOuB1w=
+knative.dev/operator v0.48.1-0.20260428171709-a4b68557b182/go.mod h1:kBNRzhJI8WTJFuiza7YH3NVc2ioLDzQb0FeTexApxh8=
 knative.dev/pkg v0.0.0-20260422015212-ec452872dcc1 h1:bO5X2bugzMqoVltm2n16mHpAdpSR0HRWeAKzHUL2Cgk=
 knative.dev/pkg v0.0.0-20260422015212-ec452872dcc1/go.mod h1:EZeB2nBW4QcpZuCPB5a/UnoVIH2N+5z5fwNw1PUeqMg=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

vendor/modules.txt

@@ -607,7 +607,7 @@ k8s.io/utils/trace
 # knative.dev/hack v0.0.0-20260421155212-aeb7b4a9bf96
 ## explicit; go 1.24
 knative.dev/hack
-# knative.dev/operator v0.48.1-0.20260427021817-ec2f8d60cd78
+# knative.dev/operator v0.48.1-0.20260428171709-a4b68557b182
 ## explicit; go 1.25.0
 knative.dev/operator/pkg/apis/operator
 knative.dev/operator/pkg/apis/operator/base