Upgrade to Micrometer 2.0.0-M1

Closes gh-29279

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -156,9 +156,9 @@ public class WebMvcMetricsFilter extends OncePerRequestFilter {
 		return Collections.emptySet();
 	}
 
-	private Timer getTimer(Builder builder, Object handler, HttpServletRequest request, HttpServletResponse response,
-			Throwable exception) {
-		return builder.tags(this.tagsProvider.getTags(request, response, handler, exception)).register(this.registry);
+	private Timer.Builder getTimer(Builder builder, Object handler, HttpServletRequest request,
+			HttpServletResponse response, Throwable exception) {
+		return builder.tags(this.tagsProvider.getTags(request, response, handler, exception));
 	}
 
 	/**

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -942,7 +942,7 @@ bom {
 			]
 		}
 	}
-	library("Micrometer", "1.8.0") {
+	library("Micrometer", "2.0.0-M1") {
 		group("io.micrometer") {
 			modules = [
 				"micrometer-registry-stackdriver" {