Bump infrahub-testcontainers from 1.7.4 to 1.7.7

Bumps [infrahub-testcontainers](https://github.com/opsmill/infrahub) from 1.7.4 to 1.7.7.
- [Release notes](https://github.com/opsmill/infrahub/releases)
- [Changelog](https://github.com/opsmill/infrahub/blob/stable/CHANGELOG.md)
- [Commits](opsmill/infrahub@infrahub-v1.7.4...infrahub-v1.7.7)

---
updated-dependencies:
- dependency-name: infrahub-testcontainers
  dependency-version: 1.7.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]