Update dependency io.grpc:grpc-bom to v1.66.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.grpc:grpc-bom	1.65.1 -> 1.66.0

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Release Notes

grpc/grpc-java (io.grpc:grpc-bom)

v1.66.0

Compare Source

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.20%. Comparing base (04a2b0a) to head (4d9772a).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #6631   +/-   ##
=========================================
  Coverage     90.20%   90.20%           
+ Complexity     6281     6280    -1     
=========================================
  Files           697      697           
  Lines         18903    18903           
  Branches       1852     1852           
=========================================
  Hits          17051    17051           
- Misses         1281     1282    +1     
+ Partials        571      570    -1     

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