Disable KSP2

Disable KSP2 again as there are still subtle bugs such as: evant/kotlin-inject#447

compiler/src/test/kotlin/software/amazon/lastmile/kotlin/inject/anvil/Compilation.kt

@@ -34,14 +34,19 @@ class Compilation internal constructor(
     fun configureKotlinInjectAnvilProcessor(
         processorOptions: Map<String, String> = emptyMap(),
         symbolProcessorProviders: Set<SymbolProcessorProvider> = emptySet(),
+        useKsp2: Boolean = true,
     ): Compilation = apply {
         checkNotCompiled()
         check(!processorsConfigured) { "Processor should not be configured twice." }
 
         processorsConfigured = true
 
         with(kotlinCompilation) {
-            configureKsp(useKsp2 = true) {
+            if (!useKsp2) {
+                languageVersion = "1.9"
+            }
+
+            configureKsp(useKsp2 = useKsp2) {
                 this.symbolProcessorProviders += ServiceLoader.load(
                     SymbolProcessorProvider::class.java,
                     SymbolProcessorProvider::class.java.classLoader,
@@ -138,6 +143,7 @@ fun compile(
     workingDir: File? = null,
     previousCompilationResult: JvmCompilationResult? = null,
     moduleName: String? = null,
+    useKsp2: Boolean = true,
     exitCode: KotlinCompilation.ExitCode = KotlinCompilation.ExitCode.OK,
     block: JvmCompilationResult.() -> Unit = { },
 ): JvmCompilationResult {
@@ -158,7 +164,7 @@ fun compile(
                 addPreviousCompilationResult(previousCompilationResult)
             }
         }
-        .configureKotlinInjectAnvilProcessor()
+        .configureKotlinInjectAnvilProcessor(useKsp2 = useKsp2)
         .compile(*sources)
         .also {
             if (exitCode == KotlinCompilation.ExitCode.OK) {

gradle.properties

@@ -8,7 +8,7 @@ org.gradle.caching=true
 
 kotlin.code.style=official
 kotlin.mpp.stability.nowarn=true
-ksp.useKSP2=true
+ksp.useKSP2=false
 
 # This property does not work when setting up publishing through the DSL as we do.
 # SONATYPE_AUTOMATIC_RELEASE=true