Merge pull request #1718 from carvel-dev/dependabot/github_actions/sigstore/cosign-installer-3.8.2

Bump sigstore/cosign-installer from 3.7.0 to 3.8.2

Author: joaopapereira

.github/workflows/release-process.yml

@@ -42,7 +42,7 @@ jobs:
           go-version: 1.23.3
 
       - name: Set up Cosign
-        uses: sigstore/cosign-installer@v3.7.0
+        uses: sigstore/cosign-installer@v3.8.2
 
       - name: Run release script
         run: |