Update Main's minor version to 2409 (microsoft#2226)

Author: volkcor

build/pipelines/azure-pipelines.release.yaml

@@ -9,7 +9,7 @@ pr: none
 
 variables:
   versionMajor: 11
-  versionMinor: 2408
+  versionMinor: 2409
   versionBuild: $[counter(format('{0}.{1}.*', variables['versionMajor'], variables['versionMinor']), 0)]
   versionPatch: 0