Merge pull request #784 from rabbitmq/dependabot/maven/org.apache.maven.plugins-maven-gpg-plugin-3.2.8

Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.7 to 3.2.8

Author: michaelklishin

pom.xml

@@ -75,7 +75,7 @@
     <maven-surefire-plugin.version>3.5.3</maven-surefire-plugin.version>
     <maven-dependency-plugin.version>3.8.1</maven-dependency-plugin.version>
     <checksum.maven.plugin.version>1.11</checksum.maven.plugin.version>
-    <maven.gpg.plugin.version>3.2.7</maven.gpg.plugin.version>
+    <maven.gpg.plugin.version>3.2.8</maven.gpg.plugin.version>
     <buildnumber.plugin.version>3.2.1</buildnumber.plugin.version>
     <maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
     <maven-clean-plugin.version>3.5.0</maven-clean-plugin.version>