Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.0.3 to 3.0.5.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](204a51a57a...dd6b2e2b61)
---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>