Bump grpc-tools from 1.64.0 to 1.65.2 in /http2/ruby-grpc

Bumps [grpc-tools](https://github.com/google/grpc) from 1.64.0 to 1.65.2.
- [Release notes](https://github.com/google/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/src/ruby/CHANGELOG.md)
- [Commits](grpc/grpc@v1.64.0...v1.65.2)

---
updated-dependencies:
- dependency-name: grpc-tools
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

http2/ruby-grpc/Gemfile.lock

@@ -7,7 +7,7 @@ GEM
     grpc (1.64.0)
       google-protobuf (~> 3.25)
       googleapis-common-protos-types (~> 1.0)
-    grpc-tools (1.64.0)
+    grpc-tools (1.65.2)
 
 PLATFORMS
   ruby