Try following KSP incremental best practices on anvilcodegen (#5205)

The KotlinPoet docs suggest using the added flow for declaring dependencies.

Make the dependencies of the generated files isolating instead of aggregating.

anvilcodegen/src/main/kotlin/io/element/android/anvilcodegen/ContributesNodeProcessor.kt

@@ -28,6 +28,7 @@ import com.squareup.kotlinpoet.KModifier
 import com.squareup.kotlinpoet.ParameterizedTypeName.Companion.parameterizedBy
 import com.squareup.kotlinpoet.STAR
 import com.squareup.kotlinpoet.TypeSpec
+import com.squareup.kotlinpoet.ksp.addOriginatingKSFile
 import com.squareup.kotlinpoet.ksp.toTypeName
 import com.squareup.kotlinpoet.ksp.writeTo
 import dagger.Binds
@@ -78,6 +79,7 @@ class ContributesNodeProcessor(
         )
             .addType(
                 TypeSpec.classBuilder(moduleClassName)
+                    .addOriginatingKSFile(ksClass.containingFile!!)
                     .addModifiers(KModifier.ABSTRACT)
                     .addAnnotation(Module::class)
                     .addAnnotation(AnnotationSpec.builder(ContributesTo::class).addMember("%T::class", scope.toTypeName()).build())
@@ -102,10 +104,7 @@ class ContributesNodeProcessor(
 
         content.writeTo(
             codeGenerator = codeGenerator,
-            dependencies = Dependencies(
+            dependencies = Dependencies(aggregating = false),
-                aggregating = true,
-                ksClass.containingFile!!
-            ),
         )
     }
 
@@ -139,6 +138,7 @@ class ContributesNodeProcessor(
         val content = FileSpec.builder(generatedPackage, assistedFactoryClassName)
             .addType(
                 TypeSpec.interfaceBuilder(assistedFactoryClassName)
+                    .addOriginatingKSFile(ksClass.containingFile!!)
                     .addSuperinterface(ClassName.bestGuess(assistedNodeFactoryFqName.asString()).parameterizedBy(nodeClassName))
                     .addAnnotation(AssistedFactory::class)
                     .addFunction(
@@ -155,10 +155,7 @@ class ContributesNodeProcessor(
 
         content.writeTo(
             codeGenerator = codeGenerator,
-            dependencies = Dependencies(
+            dependencies = Dependencies(aggregating = false),
-                aggregating = true,
-                ksClass.containingFile!!
-            ),
         )
     }