Bump sigstore/cosign-installer from 3.4.0 to 3.7.0

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.4.0 to 3.7.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.4.0...v3.7.0)

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

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

Author: dependabot[bot]

.github/workflows/release-process.yml

@@ -42,7 +42,7 @@ jobs:
           go-version: 1.21.11
 
       - name: Set up Cosign
-        uses: sigstore/cosign-installer@v3.4.0
+        uses: sigstore/cosign-installer@v3.7.0
 
       - name: Run release script
         run: |