chore: update googleapis SHA circa 20260422

[scotthart]

Also updates renovate.sh to reflect the new BCR module googleapis update flow.

[gemini-code-assist]

Code Review

This pull request updates the googleapis dependency and introduces significant API additions across multiple services. Key changes include the implementation of DeploymentGroup and DeploymentGroupRevision resources in the Config service, the addition of UpdateIndex functionality in Vector Search, and new session-related asynchronous methods for Bigtable. The renovate.sh script was refactored to derive commit metadata from the Bazel Central Registry. Review feedback identifies a critical issue where an overly broad sed command in the update script results in a broken GitHub URL in the workspace configuration, and suggests more robust regex patterns for metadata extraction.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.69%. Comparing base (1b9b3c1) to head (4c6b1ca).

Files with missing lines	Patch %	Lines
...loud/bigtable/internal/bigtable_channel_refresh.cc	0.00%	10 Missing ⚠️
google/cloud/bigtable/testing/mock_bigtable_stub.h	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #16084      +/-   ##
==========================================
- Coverage   92.70%   92.69%   -0.01%     
==========================================
  Files        2351     2351              
  Lines      217954   217968      +14     
==========================================
+ Hits       202047   202050       +3     
- Misses      15907    15918      +11     

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