chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/grpc-ecosystem/grpc-gateway/v2	v2.27.7 → v2.27.8

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Release Notes

grpc-ecosystem/grpc-gateway (github.com/grpc-ecosystem/grpc-gateway/v2)

v2.27.8

Compare Source

What's Changed

• Fix opaque missing imports casing by @​kellen-miller in #​6304
• Revert "fix(protoc-gen-openapiv2): prevent panic when generating OpenAPI for multiple files" by @​johanbrandhorst in #​6309
• fix(protoc-gen-openapiv2): fix naming cache for multi-file generation by @​franchb in #​6315
• fix(openapiv2): exclude oneof fields from required with proto3 field semantics by @​sessa in #​6335

New Contributors

• @​sessa made their first contribution in #​6335

Full Changelog: grpc-ecosystem/grpc-gateway@v2.27.7...v2.27.8

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.7%. Comparing base (490fd7f) to head (47c2e35).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #7892     +/-   ##
=======================================
+ Coverage   81.6%   81.7%   +0.1%     
=======================================
  Files        304     304             
  Lines      23285   23283      -2     
=======================================
+ Hits       19012   19036     +24     
+ Misses      3868    3862      -6     
+ Partials     405     385     -20     

see 6 files with indirect coverage changes

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