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@9614fae...e1523de)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -154,7 +154,7 @@ jobs:
         if: github.ref_type == 'tag'
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
+        uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
         if: github.ref_type == 'tag'
 
       - name: Setup Snapcraft