Use action.yml instead of path to directory

Author: parkerbxyz

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
           cache: "npm"
       - run: npm ci
       - run: npm run build
-      - uses: ./ # Uses the action in the root directory
+      - uses: action.yml
         id: test
         with:
           app_id: ${{ vars.TEST_APP_ID }}