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

Author: renovate[bot]

pom.xml

@@ -93,7 +93,7 @@
         <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
         <maven-failsafe-plugin.version>3.5.3</maven-failsafe-plugin.version>
         <maven-plugin-plugin.version>3.15.1</maven-plugin-plugin.version>
-        <maven-gpg-plugin.version>3.2.7</maven-gpg-plugin.version>
+        <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
         <nexus-staging-maven-plugin.version>1.7.0</nexus-staging-maven-plugin.version>
         <maven-plugin.gitflow.version>1.21.0</maven-plugin.gitflow.version>
         <maven-snyk-plugin.version>2.3.0</maven-snyk-plugin.version>