Bump maven-gpg-plugin (#1203)

Author: dependabot[bot]

plugins/maven/graphql-java-codegen-maven-plugin/pom.xml

@@ -69,7 +69,7 @@
         <version.maven-release-plugin>3.0.0</version.maven-release-plugin>
         <version.maven-build-helper-plugin>3.3.0</version.maven-build-helper-plugin>
         <version.maven-scm-provider-gitexe>2.0.0</version.maven-scm-provider-gitexe>
-        <version.maven-gpg-plugin>3.0.1</version.maven-gpg-plugin>
+        <version.maven-gpg-plugin>3.1.0</version.maven-gpg-plugin>
         <version.maven-shared-utils>3.3.4</version.maven-shared-utils>
 
         <version.graphql-java-codegen>5.7.3-SNAPSHOT</version.graphql-java-codegen>