Prepare 3.4 M3 (2021.2.0).

See #3939

pom.xml

@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.data.build</groupId>
 		<artifactId>spring-data-parent</artifactId>
-		<version>2.7.0-SNAPSHOT</version>
+		<version>2.7.0-M3</version>
 	</parent>
 
 	<modules>
@@ -26,7 +26,7 @@
 	<properties>
 		<project.type>multi</project.type>
 		<dist.id>spring-data-mongodb</dist.id>
-		<springdata.commons>2.7.0-SNAPSHOT</springdata.commons>
+		<springdata.commons>2.7.0-M3</springdata.commons>
 		<mongo>4.5.0</mongo>
 		<mongo.reactivestreams>${mongo}</mongo.reactivestreams>
 		<jmh.version>1.19</jmh.version>
@@ -134,8 +134,8 @@
 
 	<repositories>
 		<repository>
-			<id>spring-libs-snapshot</id>
+			<id>spring-libs-milestone</id>
-			<url>https://repo.spring.io/libs-snapshot</url>
+			<url>https://repo.spring.io/libs-milestone</url>
 		</repository>
 		<repository>
 			<id>sonatype-libs-snapshot</id>

src/main/resources/notice.txt

@@ -1,4 +1,4 @@
-Spring Data MongoDB 3.4 M2 (2021.2.0)
+Spring Data MongoDB 3.4 M3 (2021.2.0)
 Copyright (c) [2010-2019] Pivotal Software, Inc.
 
 This product is licensed to you under the Apache License, Version 2.0 (the "License").
@@ -32,5 +32,6 @@ conditions of the subcomponent's license, as noted in the LICENSE file.
 
 
 
+