Dls-backup-bl

Fixed container build.

**Full Changelog**: https://github.com/DiamondLightSource/dls-backup-bl/compare/1.2.0...1.2.1

**Full Changelog**: https://github.com/DiamondLightSource/dls-backup-bl/commits/1.2.0

Test Release
==========

What's Changed
* Merge latest python3-pip-skeleton by gilesknap in https://github.com/dls-controls/dls_backup_bl/pull/10
* Add latest python3-pip-skeleton by gilesknap in https://github.com/dls-controls/dls_backup_bl/pull/11

New Contributors
* gilesknap made their first contribution in https://github.com/dls-controls/dls_backup_bl/pull/10

**Full Changelog**: https://github.com/dls-controls/dls_backup_bl/commits/0.1