add git push to artifacts

foo

.github/workflows/forge-artifacts.yaml

@@ -4,6 +4,11 @@ on:
   workflow_call:
 
 jobs:
+  permissions:
+  # Give the default GITHUB_TOKEN write permission to commit and push the
+  # added or changed files to the repository.
+  contents: write
+
   forge-artifacts:
     runs-on: "ubuntu-latest"
     steps:
@@ -36,6 +41,9 @@ jobs:
           name: "contract-artifacts"
           path: "artifacts"
 
+      - name: "Commit and push artifact"
+        uses: stefanzweifel/git-auto-commit-action@v5
+
       - name: "Add summary"
         run: |
           echo "## Build result" >> $GITHUB_STEP_SUMMARY