Enable Gradle configuration cache for faster builds

- Add org.gradle.configuration-cache=true
- Set problems to warn level to identify compatibility issues
- Expected 5-15% improvement in Gradle configuration phase
- Part of test workflow optimization (Tier 1)

Author: SaintPatrck

gradle.properties

@@ -5,5 +5,7 @@ kotlin.code.style=official
 kotlin.compilerArgs=-Xjspecify-annotations=strict, -Xtype-enhancement-improvements-strict-mode
 
 org.gradle.caching=true
+org.gradle.configuration-cache=true
+org.gradle.configuration-cache.problems=warn
 org.gradle.jvmargs=-Xmx4g -XX:+UseParallelGC -Dfile.encoding=UTF-8
 org.gradle.parallel=true