chore(deps): update gcr.io/google.com/cloudsdktool/google-cloud-cli docker tag to v503

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
gcr.io/google.com/cloudsdktool/google-cloud-cli	final	major	490.0.0-alpine -> 503.0.0-alpine

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.25%. Comparing base (c91c082) to head (ecaba38).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #191      +/-   ##
==========================================
+ Coverage   48.47%   57.25%   +8.78%     
==========================================
  Files          10       10              
  Lines         425      648     +223     
==========================================
+ Hits          206      371     +165     
- Misses        218      276      +58     
  Partials        1        1              

see 10 files with indirect coverage changes