Add checks to run deploy workflow, post other workflows (#840)

Signed-off-by: Tarun Arora <tarun.arora.030402@gmail.com>

Author: Tarun-Arora

.github/workflows/sp-deployment-pipeline.yml

@@ -2,15 +2,19 @@ name: Deploy sample platform
 
 on:
   workflow_dispatch:
-  push:
-    branches: [ master ]
+  workflow_run:
+    workflows: [ "Run tests and code checks" ]
+    types: [ completed ]
+    branches:
+      - "master"
 
 env:
   DEPLOY_BRANCH: master
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     permissions:
       id-token: write
       contents: read # required for actions/checkout