rebase: bump google.golang.org/protobuf from 1.36.5 to 1.36.6

Bumps google.golang.org/protobuf from 1.36.5 to 1.36.6.

---
updated-dependencies:
- dependency-name: google.golang.org/protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

vendor/google.golang.org/protobuf/proto/merge.go

@@ -59,6 +59,12 @@ func Clone(m Message) Message {
 	return dst.Interface()
 }
 
+// CloneOf returns a deep copy of m. If the top-level message is invalid,
+// it returns an invalid message as well.
+func CloneOf[M Message](m M) M {
+	return Clone(m).(M)
+}
+
 // mergeOptions provides a namespace for merge functions, and can be
 // exported in the future if we add user-visible merge options.
 type mergeOptions struct{}