Bump certifi in /tools/cloud-composer-backup-restore (#1334)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.7.22 to 2024.7.4.
- [Commits](certifi/python-certifi@2023.07.22...2024.07.04)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: tools/cloud-composer-backup-restore/requirements.txt

@@ -1,6 +1,6 @@
 astroid==2.9.3
 cachetools==4.2.4
-certifi==2023.7.22
+certifi==2024.7.4
 charset-normalizer==2.0.10
 google-api-core==2.3.2
 google-api-python-client==2.36.0