Update balena/open-balena-api Docker tag to v43
Notable changes
balena-io/open-balena-api (balena/open-balena-api)
[v43.0.12](https://redirect.github.com/balena-io/open-balena-api/blob/HEAD/CHANGELOG.md#43012
List of commits
0450ba4 (Update balena/open-balena-api Docker tag to v43, 2025-09-11)
4bec5b5 (Remove /run mount from docker-compose for s6, 2025-09-11)