fix(deps): update module google.golang.org/grpc to v1.66.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.66.1 -> v1.66.2

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Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.66.2: Release 1.66.2

Compare Source

Dependencies

• Remove unintentional dependency on the testing package (#​7579)
• Remove unintentional dependency on the flate package (#​7595)
  • Special Thanks: @​ash2k

Bug Fixes

• client: fix a bug that prevented memory reuse after handling unary RPCs (#​7571)
  • Special Thanks: @​coxley

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.8%. Comparing base (54311ef) to head (8c5d723).
Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #6109   +/-   ##
=====================================
  Coverage   65.7%   65.8%           
=====================================
  Files        204     204           
  Lines      13083   13083           
=====================================
+ Hits        8607    8611    +4     
+ Misses      4214    4212    -2     
+ Partials     262     260    -2     

see 2 files with indirect coverage changes