chore(deps): bump grpc from 1.73.0 to 1.74.0 in /http2/ruby-grpc

Bumps [grpc](https://github.com/google/grpc) from 1.73.0 to 1.74.0.
- [Release notes](https://github.com/google/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.73.0...v1.74.0)

---
updated-dependencies:
- dependency-name: grpc
  dependency-version: 1.74.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

http2/ruby-grpc/Gemfile.lock

@@ -7,7 +7,7 @@ GEM
       rake (>= 13)
     googleapis-common-protos-types (1.20.0)
       google-protobuf (>= 3.18, < 5.a)
-    grpc (1.73.0)
+    grpc (1.74.0)
       google-protobuf (>= 3.25, < 5.0)
       googleapis-common-protos-types (~> 1.0)
     grpc-tools (1.73.0)