build(deps): bump sigstore/cosign-installer from 4.1.2 to 4.1.3 in /.github/actions/sign-image (#12512)

build(deps): bump sigstore/cosign-installer

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 4.1.2 to 4.1.3.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](https://github.com/sigstore/cosign-installer/compare/v4.1.2...v4.1.3)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 4.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/actions/sign-image/action.yml

@@ -15,7 +15,7 @@ runs:
   using: composite
   steps:
     - name: Install cosign
-      uses: sigstore/cosign-installer@v4.1.2
+      uses: sigstore/cosign-installer@v4.1.3
 
     - name: Sign
       shell: bash