python: Reformat code with black 22.3.0

swh/web/add_forge_now/migrations/0004_rename_tables.py

swh/web/add_forge_now/models.py

swh/web/add_forge_now/views.py

swh/web/admin/add_forge_now.py

swh/web/api/apidoc.py

swh/web/api/apiresponse.py

swh/web/api/throttling.py

swh/web/api/utils.py

swh/web/api/views/add_forge_now.py

swh/web/api/views/revision.py

swh/web/api/views/utils.py

swh/web/api/views/vault.py

swh/web/auth/mailmap.py

swh/web/auth/migrations/0001_initial.py

swh/web/auth/migrations/0003_delete_oidcuser.py

swh/web/auth/migrations/0004_usermailmap.py

swh/web/auth/migrations/0005_usermailmapevent.py

swh/web/auth/views.py

swh/web/browse/snapshot_context.py

swh/web/browse/utils.py