Add Hilt and KSP configuration to commons module

The commons module now uses Hilt's @entrypoint for FileLoggerEntryPoint,
which requires the Hilt plugin and KSP to generate the necessary code.
Without these plugins, tests in other modules (like WooCommerce) fail with
ClassCastException when trying to access the FileLoggerEntryPoint.

This fixes the issue introduced when WooLog was moved to the commons module.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: wzieba

libs/commons/build.gradle

@@ -2,6 +2,8 @@ plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.parcelize)
+    alias(libs.plugins.google.dagger.hilt)
+    alias(libs.plugins.ksp)
     alias(libs.plugins.dependency.analysis)
 }
 
@@ -29,6 +31,7 @@ dependencies {
     implementation(libs.automattic.tracks.crashlogging)
     implementation(libs.androidx.lifecycle.process)
     implementation(libs.google.dagger.hilt.android.main)
+    ksp(libs.google.dagger.hilt.compiler)
     implementation(libs.wordpress.utils)
 
     testImplementation(libs.kotlinx.coroutines.test)