Update car-demo-pipeline.yml

.github/workflows/car-demo-pipeline.yml

@@ -7,6 +7,16 @@ env:
   PROJECT_ID: ${{ secrets.GKE_PROJECT }}
 
 jobs:
+  greeting_job:
+    runs-on: ubuntu-latest
+    env:
+      Greeting: Hello
+    steps:
+      - name: "Say Hello Mona it's Monday"
+        if: ${{ env.DAY_OF_WEEK == 'Monday' }}
+        run: echo "$Greeting $First_Name. Today is $DAY_OF_WEEK!". ${{ github.workspace }}
+        env:
+          First_Name: Mona
   sonarcloud:
     name: SonarCloud
     runs-on: ubuntu-latest