Bump sigstore/cosign-installer from 3.0.4 to 3.0.5

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.0.4 to 3.0.5.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.0.4...v3.0.5)

---
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>

.github/workflows/helm-release.yaml

@@ -29,7 +29,7 @@ jobs:
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
       - name: Setup cosign
-        uses: sigstore/cosign-installer@v3.0.4
+        uses: sigstore/cosign-installer@v3.0.5
         with:
           cosign-release: v2.0.2