revert to new maven gpg version

Author: martinspielmann

pom.xml

@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.martinspielmann.nmapxmlparser</groupId>
 	<artifactId>nmapxmlparser</artifactId>
-	<version>0.9.0-SNAPSHOT</version>
+	<version>0.9.0</version>
 	<name>nmapxmlparser</name>
 	<description>Dependency free Java library to parse nmap xml output into POJO</description>
 	<properties>
@@ -14,7 +14,7 @@
     <sonar-maven-plugin.version>3.7.0.1746</sonar-maven-plugin.version>
     <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
     <maven-source-plugin.version>3.2.0</maven-source-plugin.version>
-    <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
+    <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
 	</properties>
 	<url>https://github.com/martinspielmann/java-nmap-xml-parser</url>
 
@@ -30,6 +30,7 @@
     <connection>scm:git:git@github.com:martinspielmann/java-nmap-xml-parser.git</connection>
     <developerConnection>scm:git:git@github.com:martinspielmann/java-nmap-xml-parser.git</developerConnection>
     <url>https://github.com/martinspielmann/java-nmap-xml-parser</url>
+    <tag>nmapxmlparser-0.9.0</tag>
   </scm>
 
   <developers>
@@ -121,6 +122,9 @@
                 </goals>
               </execution>
             </executions>
+            <configuration>
+              <executable>gpg</executable>
+            </configuration>
           </plugin>
         </plugins>
       </build>