Bump sigstore/cosign-installer from 3.1.1 to 3.1.2 (#4320)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -104,7 +104,7 @@ jobs:
         if: github.ref_type == 'tag'
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 # v3.1.1
+        uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 # v3.1.2
         if: github.ref_type == 'tag'
 
       - name: Create/Update Draft