chore(deps): bump black from 22.3.0 to 26.3.1

Bumps [black](https://github.com/psf/black) from 22.3.0 to 26.3.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@22.3.0...26.3.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-test.txt

@@ -9,4 +9,4 @@ google-api-python-client==2.58.0
 cloud-sql-python-connector==0.4.1
 google-cloud-logging==3.5.0
 aiohttp==3.8.6
-black==22.3.0
+black==26.3.1