Attempt to fix signing by updating command

Author: carhartl

.goreleaser.yaml

@@ -13,17 +13,13 @@ builds:
       - arm64
 signs:
   - cmd: cosign
-    signature: "${artifact}.sig"
-    certificate: "${artifact}.pem"
+    signature: "${artifact}.sigstore.json"
     args:
       - sign-blob
-      - "--oidc-provider=github-actions"
-      - "--output-certificate=${certificate}"
-      - "--output-signature=${signature}"
+      - "--bundle=${signature}"
       - "${artifact}"
       - --yes
-    artifacts: all
-    output: true
+    artifacts: checksum
 brews:
   - name: git-wip
     repository: