After release cleanups.

See #3646

Jenkinsfile

@@ -9,7 +9,7 @@ pipeline {
 
 	triggers {
 		pollSCM 'H/10 * * * *'
-		upstream(upstreamProjects: "spring-data-commons/main", threshold: hudson.model.Result.SUCCESS)
+		upstream(upstreamProjects: "spring-data-commons/3.4.x", threshold: hudson.model.Result.SUCCESS)
 	}
 
 	options {

pom.xml

@@ -23,7 +23,7 @@
 	<parent>
 		<groupId>org.springframework.data.build</groupId>
 		<artifactId>spring-data-parent</artifactId>
-		<version>3.4.0</version>
+		<version>3.4.1-SNAPSHOT</version>
 	</parent>
 
 	<properties>
@@ -41,7 +41,7 @@
 		<jsqlparser>5.0</jsqlparser>
 		<mysql-connector-java>9.1.0</mysql-connector-java>
 		<postgresql>42.7.4</postgresql>
-		<springdata.commons>3.4.0</springdata.commons>
+		<springdata.commons>3.4.1-SNAPSHOT</springdata.commons>
 		<vavr>0.10.3</vavr>
 
 		<hibernate.groupId>org.hibernate</hibernate.groupId>
@@ -289,8 +289,20 @@
 	</build>
 
 	<repositories>
-		
-		
+		<repository>
+			<id>spring-snapshot</id>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+			<releases>
+				<enabled>false</enabled>
+			</releases>
+		</repository>
+		<repository>
+			<id>spring-milestone</id>
+			<url>https://repo.spring.io/milestone</url>
+		</repository>
 	</repositories>
 
 	<pluginRepositories>