Create gitleaks.yml (#5505)

* Create gitleaks.yml

* Update gitleaks.yml

Author: kobenguyent

.github/workflows/gitleaks.yml

@@ -0,0 +1,30 @@
+name: Gitleaks Secret Scan
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  gitleaks:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Scan git commit history
+        uses: gitleaks/gitleaks-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE }} # Only required for Organizations, not personal accounts.
+
+      - name: Scan codebase (working tree)
+        uses: gitleaks/gitleaks-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITLEAKS_SCAN_MODE: detect
+          GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE }} # Only required for Organizations, not personal accounts.
+          GITLEAKS_ENABLE_UPLOAD_ARTIFACT: "false"