chore(deps): bump mppVersion to 0.2.2 in gradle.properties

Update the MPP unified version to ensure latest features and fixes are included.

Author: phodal

gradle.properties

@@ -10,7 +10,7 @@ pluginRepositoryUrl = https://github.com/unit-mesh/auto-dev
 pluginVersion = 2.4.6
 
 # MPP Unified Version (mpp-core, mpp-ui, mpp-server)
-mppVersion = 0.2.1
+mppVersion = 0.2.2
 
 # Supported IDEs: idea, pycharm
 baseIDE=idea