feat: add Gitleaks secrets scan workflow

Author: jayachandhar

.github/workflows/secrets-scan.yaml

@@ -0,0 +1,27 @@
+name: Secrets Scan
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+jobs:
+  secrets-scan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: gitleaks/gitleaks-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE_KEY }}
+          GITLEAKS_NOTIFY_USER_LIST: ${{ vars.GITLEAKS_NOTIFY_USER_LIST }}
+          GITLEAKS_ENABLE_COMMENTS: 'true'
+          GITLEAKS_ENABLE_UPLOAD_ARTIFACT: 'false'
+