[Containerapp] Release version 1.2.0b1 (Azure#8816)

Author: Greedygre

src/containerapp/HISTORY.rst

@@ -4,6 +4,9 @@ Release History
 ===============
 upcoming
 ++++++
+
+1.2.0b1
+++++++
 * 'az containerapp env premium-ingress': New environment level ingress configuration.
 * 'az containerapp sessionpool update': Support `--mi-system-assigned`, `--mi-user-assigned` and `--registry-identity`
 *  Upgrade api-version to 2025-02-02-preview

src/containerapp/setup.py

@@ -28,7 +28,7 @@
 # TODO: Confirm this is the right version number you want and it matches your
 # HISTORY.rst entry.
 
-VERSION = '1.1.0b5'
+VERSION = '1.2.0b1'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers