chore(deps-dev): bump testcontainers from 4.10.0 to 4.12.0

Bumps [testcontainers](https://github.com/testcontainers/testcontainers-python) from 4.10.0 to 4.12.0.
- [Release notes](https://github.com/testcontainers/testcontainers-python/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-python/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-python@testcontainers-v4.10.0...testcontainers-v4.12.0)

---
updated-dependencies:
- dependency-name: testcontainers
  dependency-version: 4.12.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]