chore: bump grpc-go

[dkharms]

Description

Just a versions update.

---

• I have read and followed all requirements in CONTRIBUTING.md;
• I used LLM/AI assistance to make this pull request;

If you have used LLM/AI assistance please provide model name and full prompt:

Model: {{model-name}}
Prompt: {{prompt}}

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.33%. Comparing base (1cf91da) to head (b12b1c7).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #535      +/-   ##
==========================================
+ Coverage   71.28%   71.33%   +0.05%     
==========================================
  Files         250      250              
  Lines       21783    21783              
==========================================
+ Hits        15527    15538      +11     
+ Misses       5098     5093       -5     
+ Partials     1158     1152       -6     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[dkharms]

This is neat feature.

What is important for us -- binary protoc-gen-grpc-gateway will be built using the same module version which is specified in require block (in this case v2.30.0).

So protoc-plugin version will always match the module version it depends on.

[github-actions]

🔴 Performance Degradation

Some benchmarks have degraded compared to the previous run.
Click on Show table button to see full list of degraded benchmarks.

Show table

Name	Previous	Current	Ratio	Verdict
MutexListAppend-4	1cf91d	d229c0
	179.08 MB/s	161.81 MB/s	0.90	🔴