Bump maven-release-plugin to version 3.0.0-M5 (#314)

This adds support for automatically updating the `outputTimestamp` property when running `release:prepare`.

https://issues.apache.org/jira/browse/MRELEASE-1029

Co-authored-by: Jochen Schalanda <[email protected]>

Author: hboutemy

pom.xml

@@ -277,7 +277,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-release-plugin</artifactId>
-                    <version>2.5.3</version>
+                    <version>3.0.0-M5</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>