Bump sigstore/cosign-installer from 3.8.0 to 3.8.2 (ahmetb#118)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
         if: github.ref_type == 'tag'
 
       - name: Install Cosign
-        uses: sigstore/[email protected].0
+        uses: sigstore/[email protected].2
         if: github.ref_type == 'tag'
 
       - name: Build binary