chore(deps): update dependency org.apache.maven.plugins:maven-gpg-plugin to v3

Author: renovate-bot

pom.xml

@@ -47,7 +47,7 @@
     <jib-maven-plugin.version>1.5.1</jib-maven-plugin.version>
     <lifecycle-mapping.version>1.0.0</lifecycle-mapping.version>
     <properties-maven-plugin.version>1.0.0</properties-maven-plugin.version>
-    <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
+    <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
     <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
 
     <commons-lang3.version>3.11</commons-lang3.version>