chore(deps): update sigstore/cosign-installer action to v3.8.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sigstore/cosign-installer	action	minor	v3.7.0 -> v3.8.0

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Release Notes

sigstore/cosign-installer (sigstore/cosign-installer)

v3.8.0

Compare Source

What's Changed

• test action against all non-rc releases, verify entry in rekor log by @​bobcallaway in https://github.com/sigstore/cosign-installer/pull/179
• bump for cosign v2.4.2 release by @​bobcallaway in https://github.com/sigstore/cosign-installer/pull/181

Full Changelog: sigstore/cosign-installer@v3...v3.8.0

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[semanticdiff-com]

Review changes with  

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR updates the sigstore/cosign-installer action from v3.7.0 to v3.8.0 in the docker-cd.yml workflow file. This change ensures the project uses the latest version of the cosign-installer action.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Updated the cosign-installer action version.	Updated the action version from v3.7.0 to v3.8.0.	.github/workflows/docker-cd.yml

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[sourcery-ai]

We have skipped reviewing this pull request. It seems to have been created by a bot (hey, renovate[bot]!). We assume it knows what it's doing!

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (90298f4) to head (3b7aaa5).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1813   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           45        45           
  Lines         4535      4535           
=========================================
  Hits          4535      4535           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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