Upgrade to RxJava 3.1.10 and Checkstyle 10.20.2

Author: jhoeller

Diff for: buildSrc/src/main/java/org/springframework/build/CheckstyleConventions.java

@@ -50,7 +50,7 @@ public void apply(Project project) {
 			project.getPlugins().apply(CheckstylePlugin.class);
 			project.getTasks().withType(Checkstyle.class).forEach(checkstyle -> checkstyle.getMaxHeapSize().set("1g"));
 			CheckstyleExtension checkstyle = project.getExtensions().getByType(CheckstyleExtension.class);
-			checkstyle.setToolVersion("10.20.1");
+			checkstyle.setToolVersion("10.20.2");
 			checkstyle.getConfigDirectory().set(project.getRootProject().file("src/checkstyle"));
 			String version = SpringJavaFormatPlugin.class.getPackage().getImplementationVersion();
 			DependencySet checkstyleDependencies = project.getConfigurations().getByName("checkstyle").getDependencies();

Diff for: framework-platform/framework-platform.gradle

@@ -54,7 +54,7 @@ dependencies {
 		api("io.r2dbc:r2dbc-h2:1.0.0.RELEASE")
 		api("io.r2dbc:r2dbc-spi-test:1.0.0.RELEASE")
 		api("io.r2dbc:r2dbc-spi:1.0.0.RELEASE")
-		api("io.reactivex.rxjava3:rxjava:3.1.9")
+		api("io.reactivex.rxjava3:rxjava:3.1.10")
 		api("io.smallrye.reactive:mutiny:1.10.0")
 		api("io.undertow:undertow-core:2.3.18.Final")
 		api("io.undertow:undertow-servlet:2.3.18.Final")