Bump container-app-conf from 5.2.2 to 5.3.0 (#220)

Bumps [container-app-conf](https://github.com/markusressel/container-app-conf) from 5.2.2 to 5.3.0.
- [Release notes](https://github.com/markusressel/container-app-conf/releases)
- [Commits](markusressel/container-app-conf@v5.2.2...v5.3.0)

---
updated-dependencies:
- dependency-name: container-app-conf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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