Bump versions-maven-plugin from 2.11.0 to 2.12.0 (#318)

Author: dependabot[bot]

pom.xml

@@ -154,7 +154,7 @@
     <maven-war-plugin.version>3.3.2</maven-war-plugin.version>
     <openjpa-maven-plugin.version>1.2</openjpa-maven-plugin.version>
     <taglist-maven-plugin.version>3.0.0</taglist-maven-plugin.version>
-    <versions-maven-plugin.version>2.11.0</versions-maven-plugin.version>
+    <versions-maven-plugin.version>2.12.0</versions-maven-plugin.version>
     <xml-maven-plugin.version>1.0.2</xml-maven-plugin.version>
     <maven-license-plugin.version>1.10</maven-license-plugin.version>
     <incrementals-plugin.version>1.4</incrementals-plugin.version>