devel/py-python-gitlab: Update 4.10.0 → 4.11.1

• Update to 4.11.1 [1][2]
• Add GRAPHQL option.
• Make GRAPHQL as broken because gql is missing from ports. Adding devel/gql soon.
• Disable graphql unit tests.

[1] https://github.com/python-gitlab/python-gitlab/releases/tag/v4.11.0
[2] https://github.com/python-gitlab/python-gitlab/releases/tag/v4.11.1

PR: 281523