build(deps): bump google.golang.org/grpc from 1.77.0 to 1.78.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.77.0 to 1.78.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.77.0...v1.78.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.78.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/hashicorp/consul/api v1.29.1
 	go.etcd.io/etcd/api/v3 v3.6.6
 	go.etcd.io/etcd/client/v3 v3.6.6
-	google.golang.org/grpc v1.77.0
+	google.golang.org/grpc v1.78.0
 	k8s.io/api v0.30.3
 	k8s.io/apimachinery v0.30.3
 	k8s.io/client-go v0.30.3

go.sum

@@ -341,6 +341,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
 google.golang.org/grpc v1.77.0 h1:wVVY6/8cGA6vvffn+wWK5ToddbgdU3d8MNENr4evgXM=
 google.golang.org/grpc v1.77.0/go.mod h1:z0BY1iVj0q8E1uSQCjL9cppRj+gnZjzDnzV0dHhrNig=
+google.golang.org/grpc v1.78.0 h1:K1XZG/yGDJnzMdd/uZHAkVqJE+xIDOcmdSFZkBUicNc=
+google.golang.org/grpc v1.78.0/go.mod h1:I47qjTo4OKbMkjA/aOOwxDIiPSBofUtQUI5EfpWvW7U=
 google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
 google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=