build(deps): Bump sigstore/cosign-installer from 3.7.0 to 3.8.0 in /.github/actions/run-tests

Bumps sigstore/cosign-installer from 3.7.0 to 3.8.0.

Release notes

Sourced from sigstore/cosign-installer's releases.

v3.8.0

What's Changed

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

Full Changelog: https://github.com/sigstore/cosign-installer/compare/v3...v3.8.0

Commits

• c56c2d3 Bump actions/setup-go from 5.2.0 to 5.3.0 (#180)
• 02e36b8 bump for cosign v2.4.2 release (#181)
• 789d288 test action against all non-rc releases, verify entry in rekor log (#179)
• e11c089 Bump actions/setup-go from 5.1.0 to 5.2.0 (#178)
• 718228a Bump actions/setup-go from 5.0.2 to 5.1.0 (#176)
• 325063e Bump actions/checkout from 4.2.1 to 4.2.2 (#177)
• b929758 Bump actions/checkout from 4.2.0 to 4.2.1 (#175)
• See full diff in compare view

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