Update first workflow to include secret variable and environment variable

Author: Raffaele Marcello

.github/workflows/first-workflow.yml

@@ -9,7 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Echo Job 1
-        run: echo "This is job 1 \n SECRET=${{ secrets.MY_SECRET_VAR }}"
+        env:
+          MY_SECRET_VAR: ${{ secrets.MY_SECRET_VAR }}
+        run: echo $MY_SECRET_VAR
 
   job2:
     runs-on: ubuntu-latest