Update sigstore/gh-action-sigstore-python action to v3.4.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sigstore/gh-action-sigstore-python	action	minor	v3.3.0 → v3.4.0

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Release Notes

sigstore/gh-action-sigstore-python (sigstore/gh-action-sigstore-python)

v3.4.0

Compare Source

What's Changed

• Used sigstore package version is now 4.3.0
• Other dependency updates

Full Changelog: sigstore/gh-action-sigstore-python@v3.3.0...v3.4.0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.45%. Comparing base (b54bf9e) to head (35f8d13).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #555   +/-   ##
=======================================
  Coverage   94.45%   94.45%           
=======================================
  Files          45       45           
  Lines        4295     4295           
=======================================
  Hits         4057     4057           
  Misses        238      238           

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