containerapp 1.2.0b5

• 'az containerapp env premium-ingress add/update': remove --min-replicas and --max-replicas
• 'az containerapp sessionpool create': Add Shell container type
• Update azure cli dependency version >= "2.79.0"
• 'az containerapp env http-route-config/premium-ingress': Remove GA commands which exist in azure-cli version 2.79.0

SHA256 hashes of the release artifacts:

27a6a1963fbc848d4ea5bd7ae8ae7c0d4624b95071560004b374b7a986f66321 containerapp-1.2.0b5-py2.py3-none-any.whl