www/py-azure-common: Update to 1.1.28

• Update COMMENT
• Update WWW
• 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/core/azure-common/CHANGELOG.md