chore(deps): bump sigstore/cosign-installer from 3.10.1 to 4.1.0

[dependabot]

Bumps sigstore/cosign-installer from 3.10.1 to 4.1.0.

Release notes

Sourced from sigstore/cosign-installer's releases.

v4.1.0

What's Changed

We recommend updating as soon as possible as this includes bug fixes for Cosign. We also recommend removing with: cosign-release and strongly discourage using cosign-release unless you have a specific reason to use an older version of Cosign.

• Bump cosign to 3.0.5 in sigstore/cosign-installer#220
• fix: add retry to curl downloads for transient network failures in sigstore/cosign-installer#210

Full Changelog: sigstore/cosign-installer@v4.0.0...v4.1.0

v4.0.0

What's Changed?

Note: You must upgrade to cosign-installer v4 if you want to install Cosign v3+. You may still install Cosign v2.x with cosign-installer v4.

In version v3+, using cosign sign-blob requires adding the --bundle flag which may require you to update your signing command.

• Add support for Cosign v3 releases (#201)

Commits

• ba7bc0a fix: add retry to curl downloads for transient network failures (#210)
• 5a292e1 Bump cosign to 3.0.5 (#220)
• 351ea76 Bump actions/checkout from 6.0.1 to 6.0.2 (#217)
• c17565f test with go 1.26 too (#221)
• a6fdd19 Bump actions/setup-go from 6.1.0 to 6.3.0 (#218)
• 430b6a7 docs: fix registry from gcr.io to ghcr.io (#213)
• 4d14d7f feat: update to v3.0.3 (#212)
• f148005 fix: use env vars for template expansions; show curl errors (#207)
• c3f2d79 Bump actions/checkout from 6.0.0 to 6.0.1 (#208)
• b9a9af4 drop tests with go1.24 as it cant build (#211)
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
sigstore/cosign-installer	[>= 4.0.a, < 4.1]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 23.39%. Comparing base (a6ef9b2) to head (7ec0c29).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #640   +/-   ##
=======================================
  Coverage   23.39%   23.39%           
=======================================
  Files          82       82           
  Lines        5522     5522           
=======================================
  Hits         1292     1292           
  Misses       4083     4083           
  Partials      147      147           

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[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.