build(deps): Bump gitleaks/gitleaks-action from 2.3.3 to 2.3.9 (microsoft#887)

Bumps [gitleaks/gitleaks-action](https://github.com/gitleaks/gitleaks-action) from 2.3.3 to 2.3.9.
- [Release notes](https://github.com/gitleaks/gitleaks-action/releases)
- [Commits](gitleaks/gitleaks-action@cb7149a...ff98106)

---
updated-dependencies:
- dependency-name: gitleaks/gitleaks-action
  dependency-version: 2.3.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/secret-scanning.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Run Gitleaks
         continue-on-error: true
-        uses: gitleaks/gitleaks-action@cb7149a9b57195b609c63e8518d2c6056677d2d0 # v2.3.8
+        uses: gitleaks/gitleaks-action@ff98106e4c7b2bc287b24eaf42907196329070c7 # v2.3.8
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE }}