Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.5 to 3.2.6 (#607

)

pom.xml

@@ -111,7 +111,7 @@
     <maven-deploy-plugin.version>3.1.3</maven-deploy-plugin.version>
     <maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
     <maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version>
-    <maven-gpg-plugin.version>3.2.5</maven-gpg-plugin.version>
+    <maven-gpg-plugin.version>3.2.6</maven-gpg-plugin.version>
     <maven-help-plugin.version>3.5.0</maven-help-plugin.version>
     <maven-install-plugin.version>3.1.3</maven-install-plugin.version>
     <maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>