build(deps): bump GitGuardian/ggshield-action from 1.33.0 to 1.34.0

Bumps [GitGuardian/ggshield-action](https://github.com/gitguardian/ggshield-action) from 1.33.0 to 1.34.0.
- [Release notes](https://github.com/gitguardian/ggshield-action/releases)
- [Commits](GitGuardian/ggshield-action@0ebefb9...4b45061)

---
updated-dependencies:
- dependency-name: GitGuardian/ggshield-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/gitguardian.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           fetch-depth: 0 # fetch all history so multiple commits can be scanned
       - name: GitGuardian scan
-        uses: GitGuardian/ggshield-action@0ebefb9aad794cfe4ea98897204db50e20ad5a00 # master
+        uses: GitGuardian/ggshield-action@4b450617504f2a3e1b58cbf0214f7ad3108cdab7 # master
         env:
           GITHUB_PUSH_BEFORE_SHA: ${{ github.event.before }}
           GITHUB_PUSH_BASE_SHA: ${{ github.event.base }}