fix: include back krew action

Author: dareste

.github/workflows/release-builder.yml

@@ -65,4 +65,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with:
-          asset_paths: '["./release/*.gz", "./release/*.txt", "./release/*.sig", "./release/*.pem"]'
+          asset_paths: '["./release/*.gz", "./release/*.txt", "./release/*.sig", "./release/*.pem"]'
+
+      - name: Update new version in krew-index
+        uses: rajatjindal/[email protected]