Update BUILD Kotlin and KSP versions.

(cherry picked from commit 04fcbf8)

Author: ting-yuan

gradle.properties

@@ -24,5 +24,5 @@ compilerTestEnabled=false
 kotlin.jvm.target.validation.mode=warning
 
 # Build or runtime dependencies of this project
-buildKotlinVersion=2.0.20
-buildKspVersion=2.0.20-1.0.25
+buildKotlinVersion=2.1.20
+buildKspVersion=2.1.20-1.0.32