Fix CI workflow

Author: nyurik

.github/workflows/ci.yml

@@ -628,8 +628,7 @@ jobs:
           path: target/homebrew
 
       - name: Create Homebrew formula
-        if: startsWith(github.ref, 'refs/tags/')
-        uses: cuchi/[email protected]
+        uses: ajeffowens/jinja2-action@90dab3da2215932ea86d2875224f06bbd6798617 # v2.0.0
         with:
           template: .github/templates/homebrew.martin.rb.j2
           output_file: target/homebrew/martin.rb