chore(deps): update sigstore/cosign-installer action to v3.9.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sigstore/cosign-installer	action	minor	v3.8.2 -> v3.9.1

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Release Notes

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

v3.9.1

Compare Source

What's Changed

• default action install to use release v2.5.1 by @​cpanato in https://github.com/sigstore/cosign-installer/pull/193
• default cosign to v2.5.2 by @​cpanato in https://github.com/sigstore/cosign-installer/pull/194

Full Changelog: sigstore/cosign-installer@v3.9.0...v3.9.1

v3.9.0

Compare Source

What's Changed

• Bump actions/setup-go from 5.4.0 to 5.5.0 by @​dependabot in https://github.com/sigstore/cosign-installer/pull/189
• bump cosign install to use release v2.5.0 as default by @​cpanato in https://github.com/sigstore/cosign-installer/pull/191

Full Changelog: sigstore/cosign-installer@v3...v3.9.0

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