maybe incompatible syntax in the last action

action.yml

@@ -33,5 +33,16 @@ runs:
     - name: Build and push
       uses: docker/build-push-action@v4
       with:
+        context: "{{defaultContext}}:${{ input.path }}"
         push: true
         tags: git.tmoron.fr/${{ inputs.name }}:latest
+
+    - name: push to latest branch
+      run: | 
+        if git ls-remote --exit-code --heads origin latest; then
+            git switch latest
+            git merge latest
+        else
+            git checkout -b latest
+            git push origin latest
+        fi