Apply swh-py-template v0.3.3 with copier

Jenkins job DLDCVS/gitlab-builds #48 succeeded in 1 min 18 sec.
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added 2 commits

• b6a25e76 - Apply swh-py-template v0.3.3 with copier
• 34d8de6c - cvsclient, rlog: Fix black formatting

Compare with previous version

Jenkins job DLDCVS/gitlab-builds #49 succeeded in 58 sec.
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merged manually