feat: add provenance and sbom to image

Disable signing with cosign for now, to allow for testing provenance and sbom first.

.github/workflows/build-push.yml

@@ -83,12 +83,14 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          sbom: true
+          provenance: true
           cache-from: type=gha
           cache-to: type=gha,mode=max
-      - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
-        env:
-          COSIGN_EXPERIMENTAL: "true"
-        # This step uses the identity token to provision an ephemeral certificate
-        # against the sigstore community Fulcio instance.
-        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}
+      # - name: Sign the published Docker image
+      #   if: ${{ github.event_name != 'pull_request' }}
+      #   env:
+      #     COSIGN_EXPERIMENTAL: "true"
+      #   # This step uses the identity token to provision an ephemeral certificate
+      #   # against the sigstore community Fulcio instance.
+      #   run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}