Merge pull request #255 from maxmind/dependabot/maven/org.apache.maven.plugins-maven-gpg-plugin-3.0.1

Bump maven-gpg-plugin from 1.6 to 3.0.1

Author: oschwald

pom.xml

@@ -157,7 +157,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.6</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>