Generation of stubs

[trym-b]

Commit https://github.com/nlnwa/veidemann-api/commit/956715973465f84db43cc998d900852984a964ce disabled the automatic commit of generated protobuf stubs. This is not the best for the long-term, so a solution to get the stubs generated is required.

Some of the alternatives are:

• Automatically create PRs to the default branch whenever relevant files are updated
• Re-enable the auto-commit system from 956715973465f84db43cc998d900852984a964ce
• Make the CI fail if the feature branch's newly generated stubs do not match the default branch's.
• Something else

[trym-b]

Which commit solves this issue again? https://github.com/nlnwa/veidemann-api/pull/62/commits/324f1ab3eb0991e88674dbe1ff53d2b23ff5e7b7 ? Or are both commits in the pull request https://github.com/nlnwa/veidemann-api/pull/62 ?

This way we can more easily find the relevant work in the future if we need to :)