Bump google-protobuf from 3.25.3 to 3.25.5 in /docs

Bumps [google-protobuf](https://github.com/protocolbuffers/protobuf) from 3.25.3 to 3.25.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.25.3...v3.25.5)

---
updated-dependencies:
- dependency-name: google-protobuf
  dependency-type: indirect
...

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

docs/Gemfile.lock

@@ -11,7 +11,7 @@ GEM
     eventmachine (1.2.7)
     ffi (1.16.3)
     forwardable-extended (2.6.0)
-    google-protobuf (3.25.3)
+    google-protobuf (3.25.5)
     http_parser.rb (0.8.0)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)