Bump sigstore/cosign-installer from 3.3.0 to 3.4.0

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.3.0...v3.4.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

action.yml

@@ -9,7 +9,7 @@ runs:
   using: "composite"
   steps:
     - name: Install Cosign
-      uses: sigstore/cosign-installer@v3.3.0
+      uses: sigstore/cosign-installer@v3.4.0
       with:
         cosign-release: "v2.0.2"