Upgrade to Checkstyle 10.3.4

Author: jhoeller

build.gradle

@@ -1,17 +1,17 @@
 plugins {
 	id 'io.spring.dependency-management' version '1.0.11.RELEASE' apply false
 	id 'io.spring.nohttp' version '0.0.10'
-	id "io.freefair.aspectj" version '6.2.0' apply false
+	id 'io.freefair.aspectj' version '6.2.0' apply false
 	id 'org.jetbrains.dokka' version '1.6.10' apply false
 	id 'org.jetbrains.kotlin.jvm' version '1.5.32' apply false
-	id "org.jetbrains.kotlin.plugin.serialization" version "1.5.32" apply false
+	id 'org.jetbrains.kotlin.plugin.serialization' version "1.5.32" apply false
 	id 'org.asciidoctor.jvm.convert' version '3.3.2'
 	id 'org.asciidoctor.jvm.pdf' version '3.3.2'
-	id "org.unbroken-dome.xjc" version '2.0.0' apply false
-	id "com.github.ben-manes.versions" version '0.39.0'
-	id "com.github.johnrengelman.shadow" version '7.0.0' apply false
+	id 'org.unbroken-dome.xjc' version '2.0.0' apply false
+	id 'com.github.ben-manes.versions' version '0.39.0'
+	id 'com.github.johnrengelman.shadow' version '7.0.0' apply false
 	id 'de.undercouch.download' version '4.1.2'
-	id "me.champeau.jmh" version "0.6.6" apply false
+	id 'me.champeau.jmh' version "0.6.6" apply false
 }
 
 ext {
@@ -340,7 +340,7 @@ configure([rootProject] + javaProjects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "10.3.3"
+		toolVersion = "10.3.4"
 		configDirectory.set(rootProject.file("src/checkstyle"))
 	}
 
@@ -413,8 +413,6 @@ configure(rootProject) {
 
 	nohttp {
 		source.exclude "**/test-output/**"
-		source.exclude "spring-core/graalvm/build/**" // only available on `main`
-		source.exclude "spring-core-test/build/**" // only available on `main`
 		allowlistFile = project.file("src/nohttp/allowlist.lines")
 		def rootPath = file(rootDir).toPath()
 		def projectDirs = allprojects.collect { it.projectDir } + "${rootDir}/buildSrc"