devel/py-azure-mgmt-redhatopenshift: Update to 3.0.0

• Update COMMENT
• Update WWW
• Add LICENSE_FILE
• Convert to USE_PYTHON=pep517
• Update pkg-descr

Changes: https://github.com/Azure/azure-sdk-for-python/releases

		https://github.com/Azure/azure-sdk-for-python/blob/main/sdk/redhatopenshift/azure-mgmt-redhatopenshift/CHANGELOG.md