Revert "[PM-19821] Consolidate scan.yml and scan-ci.yml" (#5058)

.github/workflows/scan.yml

@@ -1,13 +1,7 @@
-name: Scan
+name: Scan Pull Requests
 
 on:
   workflow_dispatch:
-  push:
-    branches:
-      - "main"
-      - "release/**"
-      - "rc"
-      - "hotfix-rc"
   pull_request_target:
     types: [opened, synchronize]
 
@@ -29,7 +23,7 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
-          ref: ${{ github.event.pull_request.head.sha }}
+          ref: ${{  github.event.pull_request.head.sha }}
 
       - name: Scan with Checkmarx
         uses: checkmarx/ast-github-action@184bf2f64f55d1c93fd6636d539edf274703e434 # 2.0.41
@@ -66,7 +60,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
-          ref: ${{ github.event.pull_request.head.sha }}
+          ref: ${{  github.event.pull_request.head.sha }}
 
       - name: Scan with SonarCloud
         uses: sonarsource/sonarqube-scan-action@bfd4e558cda28cda6b5defafb9232d191be8c203 # v4.2.1