chore(deps): update dependency org.apache.maven.plugins:maven-gpg-plugin to v3.2.8 (#123)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

ticketing-eventing/handler-core/pom.xml

@@ -59,7 +59,7 @@
         <!-- Release -->
         <maven-release-plugin.version>3.1.1</maven-release-plugin.version>
         <central-publishing-maven-plugin.version>0.8.0</central-publishing-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>
 
         <!-- Utility -->
         <refarch-tools.version>1.2.0</refarch-tools.version>