gomod(deps): bump istio.io/client-go

Bumps [istio.io/client-go](https://github.com/istio/client-go) from 1.28.0-alpha.0.0.20251117135800-816e95cb1f4d to 1.28.0.
- [Commits](https://github.com/istio/client-go/commits/1.28.0)

---
updated-dependencies:
- dependency-name: istio.io/client-go
  dependency-version: 1.28.0
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
 	gopkg.in/yaml.v3 v3.0.1
-	istio.io/client-go v1.28.0-alpha.0.0.20251117135800-816e95cb1f4d
+	istio.io/client-go v1.28.0
 	istio.io/istio v0.0.0-20251118002659-9d049551c3db
 	k8s.io/api v0.34.2
 	k8s.io/apimachinery v0.34.2
@@ -242,7 +242,7 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
-	istio.io/api v1.28.0-alpha.0.0.20251117135402-88704492c308 // indirect
+	istio.io/api v1.28.0-beta.1.0.20251027181303-a5aa715c1e32 // indirect
 	k8s.io/apiextensions-apiserver v0.34.1 // indirect
 	k8s.io/apiserver v0.34.1 // indirect
 	k8s.io/klog/v2 v2.130.1 // indirect

go.sum

@@ -785,10 +785,10 @@ gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
 gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
 helm.sh/helm/v3 v3.18.6 h1:S/2CqcYnNfLckkHLI0VgQbxgcDaU3N4A/46E3n9wSNY=
 helm.sh/helm/v3 v3.18.6/go.mod h1:L/dXDR2r539oPlFP1PJqKAC1CUgqHJDLkxKpDGrWnyg=
-istio.io/api v1.28.0-alpha.0.0.20251117135402-88704492c308 h1:S/FMjIeCX2nbY2L/ER4kpmeD9tE1I/HPkkVtSd8JZqE=
-istio.io/api v1.28.0-alpha.0.0.20251117135402-88704492c308/go.mod h1:BD3qv/ekm16kvSgvSpuiDawgKhEwG97wx849CednJSg=
-istio.io/client-go v1.28.0-alpha.0.0.20251117135800-816e95cb1f4d h1:XqXksMo8LBHg/7+959xvHueASrQDLFloUIfJGam21IY=
-istio.io/client-go v1.28.0-alpha.0.0.20251117135800-816e95cb1f4d/go.mod h1:+w39lRFVPiFOJ/tulJLIuqn9K0XoR6KBCeb4kDilNqU=
+istio.io/api v1.28.0-beta.1.0.20251027181303-a5aa715c1e32 h1:ZeK4F1/DsYy3TqIkrL/85MHNn5xc+W7cixLXI6nPSYA=
+istio.io/api v1.28.0-beta.1.0.20251027181303-a5aa715c1e32/go.mod h1:BD3qv/ekm16kvSgvSpuiDawgKhEwG97wx849CednJSg=
+istio.io/client-go v1.28.0 h1:EqP19aYNvH42VQAmS/mHXZ51PU3nlrnF6MeeGldJSas=
+istio.io/client-go v1.28.0/go.mod h1:mcFWH+wv9ltQqoDYyfLeVFyRZuD7n1Fj7TD5RGohqSU=
 istio.io/istio v0.0.0-20251118002659-9d049551c3db h1:xU/aGVEk3FLfelCJ/Syb0w3y6B7KEjDvrScQoLkbANc=
 istio.io/istio v0.0.0-20251118002659-9d049551c3db/go.mod h1:XX+weJgSJjATSE52qTak5PtfFTDjla63Cf1mYM6rKms=
 k8s.io/api v0.34.2 h1:fsSUNZhV+bnL6Aqrp6O7lMTy6o5x2C4XLjnh//8SLYY=