chore(deps): bump sigstore/cosign-installer from 3.0.1 to 3.0.3 (#2495)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.0.1 to 3.0.3.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](c3667d9942...204a51a57a)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/images.yaml

@@ -92,7 +92,7 @@ jobs:
 
     # Sign images if not a PR.
     - if: github.event_name != 'pull_request'
-      uses: sigstore/cosign-installer@c3667d99424e7e6047999fb6246c0da843953c65 # v3.0.1
+      uses: sigstore/cosign-installer@204a51a57a74d190b284a0ce69b44bc37201f343 # v3.0.3
     - if: github.event_name != 'pull_request'
       run: |
         cosign sign --yes \