Kotlin 1.5.0 support

[ZacSweers]

Figured I'd go ahead and file this for anyone to follow, currently fails at runtime due to an internal API change

e: java.lang.NoSuchMethodError: org.jetbrains.kotlin.codegen.state.KotlinTypeMapper.<init>(Lorg/jetbrains/kotlin/resolve/BindingContext;Lorg/jetbrains/kotlin/codegen/ClassBuilderMode;Ljava/lang/String;Lorg/jetbrains/kotlin/config/LanguageVersionSettings;ZLorg/jetbrains/kotlin/codegen/state/IncompatibleClassTracker;Lorg/jetbrains/kotlin/config/JvmTarget;ZLkotlin/jvm/functions/Function1;Lkotlin/jvm/functions/Function1;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
	at com.google.devtools.ksp.processing.impl.ResolverImpl.<init>(ResolverImpl.kt:101)
	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:136)
	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:119)
	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:85)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.invoke(KotlinToJVMBytecodeCompiler.kt:514)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.invoke(KotlinToJVMBytecodeCompiler.kt:505)
	at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:505)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:189)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli$default(KotlinToJVMBytecodeCompiler.kt:155)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:169)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:52)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:88)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:44)
	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:98)
	at com.tschuchort.compiletesting.AbstractKotlinCompilation.compileKotlin(AbstractKotlinCompilation.kt:180)
	at com.tschuchort.compiletesting.KotlinCompilation.compileJvmKotlin(KotlinCompilation.kt:465)
	at com.tschuchort.compiletesting.KotlinCompilation.compile(KotlinCompilation.kt:641)
	at dev.zacsweers.autoservice.ksp.AutoServiceSymbolProcessorTest.smokeTest(AutoServiceSymbolProcessorTest.kt:48)

[ting-yuan]

Fixed in #407. Will be available in next release.