Bump Python requirement python-gitlab to 3.15.0

added bump-bot python labels

restored source branch bump-python-gitlab

By Teklia Bot on 2023-06-09T14:01:03 (imported from GitLab)

added 15 commits

• 1ecba4e5...b0c30595 - 14 commits from branch master
• dfcc11b3 - Bump Python requirement python-gitlab to 3.15.0

Compare with previous version

enabled an automatic merge when the pipeline for dfcc11b3 succeeds

merged