fix: syntax action

Author: Alain BOUDARD

.github/workflows/ng-actions.yml

@@ -1,7 +1,7 @@
 name: NgRx Data test actions
 on: ["push"]
 jobs:
-Explore-GitHub-Actions:
-  runs-on: ubuntu-latest
-  steps:
-    - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
+  Explore-GitHub-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."