Merge pull request #5895 from eXist-db/dependabot/maven/org.apache.maven.plugins-maven-scm-plugin-2.2.1

Bump org.apache.maven.plugins:maven-scm-plugin from 2.1.0 to 2.2.1

Author: dizzzz

exist-parent/pom.xml

@@ -952,7 +952,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-scm-plugin</artifactId>
-                    <version>2.1.0</version>
+                    <version>2.2.1</version>
                     <configuration>
                         <sign>true</sign>
                     </configuration>