build: enable K2 compiler support for Kapt

- Add ‘kapt.use.k2=true’ to gradle.properties to resolve Kotlin 2.0+ Alpha warning.
- Ensure DataBinding annotation processing aligns with the current Kotlin language version.

Author: TanakaLun

gradle.properties

@@ -21,4 +21,4 @@ android.enableJetifier=true
 kotlin.code.style=official
 # Gradle parallel build
 org.gradle.parallel=true
-kapt.use.k2=true
+# kapt.use.k2=true