Update clowmdb to 3.1.0

.gitlab-ci.yml

.pre-commit-config.yaml

Dockerfile

Dockerfile-Gunicorn

app/api/api.py

app/api/dependencies.py

app/api/endpoints/bucket_permissions.py

app/api/endpoints/buckets.py

app/api/endpoints/miscellaneous_endpoints.py

app/api/endpoints/s3key.py

app/ceph/rgw.py

app/ceph/s3.py

app/core/config.py

app/core/security.py

app/crud/crud_bucket.py

app/crud/crud_bucket_permission.py

app/crud/crud_user.py

app/schemas/bucket.py

app/schemas/bucket_permission.py

app/tests/api/test_buckets.py