Update GitGuardian action version in workflow

Author: SamErde

.github/workflows/GitGuardian.yml

@@ -14,7 +14,7 @@ jobs:
         with:
           fetch-depth: 0 # fetch all history so multiple commits can be scanned
       - name: GitGuardian Scan
-        uses: GitGuardian/ggshield-action@v1.23.0
+        uses: GitGuardian/ggshield/actions/secret@v1.43.0
         env:
           GITHUB_PUSH_BEFORE_SHA: ${{ github.event.before }}
           GITHUB_PUSH_BASE_SHA: ${{ github.event.base }}