Check Fuel version in CI pipeline

[theseion]

We often forget to update the internal Fuel version number after creating a version branch (e.g., #283). It wouldn't be too hard to write a shell script that checks the current version in the source files agains the current branch and then run that in the CI pipeline.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will remain open but will probably not come into focus. If you still think this should receive some attention, leave a comment. Thank you for your contributions.