Move `_version.py` to `buildgrid/`
Description
Including files from outside the buildgrid/
directory can cause ModuleNotFoundError: No module named '_version'
errors.
Changes proposed in this merge request:
- Move
_version.py
tobuildgrid/_version.py
- Update includes to include that file from its new location
This merge request, when merged, will address issue/bug:
Errors like the one shown in this output: https://gitlab.com/BuildGrid/buildgrid/-/jobs/172659009