Merge pull request #738 from rabbitmq/dependabot/maven/org.apache.maven.plugins-maven-gpg-plugin-3.0.1

Bump maven-gpg-plugin from 1.6 to 3.0.1

Author: acogoluegnes

pom.xml

@@ -78,7 +78,7 @@
     <maven.compiler.plugin.version>3.8.1</maven.compiler.plugin.version>
     <maven.surefire.plugin.version>2.22.2</maven.surefire.plugin.version>
     <maven.failsafe.plugin.version>2.22.2</maven.failsafe.plugin.version>
-    <maven.gpg.plugin.version>1.6</maven.gpg.plugin.version>
+    <maven.gpg.plugin.version>3.0.1</maven.gpg.plugin.version>
     <maven.jar.plugin.version>3.0.2</maven.jar.plugin.version>
     <maven.bundle.plugin.version>3.2.0</maven.bundle.plugin.version>
     <maven.packagecloud.wagon.version>0.0.6</maven.packagecloud.wagon.version>