build(deps): bump sigs.k8s.io/gateway-api in /examples/extension-server

Bumps [sigs.k8s.io/gateway-api](https://github.com/kubernetes-sigs/gateway-api) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/kubernetes-sigs/gateway-api/releases)
- [Changelog](https://github.com/kubernetes-sigs/gateway-api/blob/main/RELEASE.md)
- [Commits](kubernetes-sigs/gateway-api@v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/gateway-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

examples/extension-server/go.mod

@@ -10,7 +10,7 @@ require (
 	google.golang.org/protobuf v1.35.2
 	k8s.io/apimachinery v0.31.2
 	sigs.k8s.io/controller-runtime v0.19.1
-	sigs.k8s.io/gateway-api v1.2.0
+	sigs.k8s.io/gateway-api v1.2.1
 )
 
 require (

examples/extension-server/go.sum

@@ -135,8 +135,8 @@ k8s.io/utils v0.0.0-20240821151609-f90d01438635 h1:2wThSvJoW/Ncn9TmQEYXRnevZXi2d
 k8s.io/utils v0.0.0-20240821151609-f90d01438635/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/controller-runtime v0.19.1 h1:Son+Q40+Be3QWb+niBXAg2vFiYWolDjjRfO8hn/cxOk=
 sigs.k8s.io/controller-runtime v0.19.1/go.mod h1:iRmWllt8IlaLjvTTDLhRBXIEtkCK6hwVBJJsYS9Ajf4=
-sigs.k8s.io/gateway-api v1.2.0 h1:LrToiFwtqKTKZcZtoQPTuo3FxhrrhTgzQG0Te+YGSo8=
-sigs.k8s.io/gateway-api v1.2.0/go.mod h1:EpNfEXNjiYfUJypf0eZ0P5iXA9ekSGWaS1WgPaM42X0=
+sigs.k8s.io/gateway-api v1.2.1 h1:fZZ/+RyRb+Y5tGkwxFKuYuSRQHu9dZtbjenblleOLHM=
+sigs.k8s.io/gateway-api v1.2.1/go.mod h1:EpNfEXNjiYfUJypf0eZ0P5iXA9ekSGWaS1WgPaM42X0=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
 sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4=