Update dependency org.apache.maven.plugins:maven-gpg-plugin to v3.2.4
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index d82a5ac..58d8bc6 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -62,7 +62,7 @@
     <jar-plugin.version>3.4.0</jar-plugin.version>
     <jpackage-plugin.version>0.1.5</jpackage-plugin.version>
     <maven-scm-plugin.version>2.1.0</maven-scm-plugin.version>
-    <maven-gpg-plugin.version>3.2.3</maven-gpg-plugin.version>
+    <maven-gpg-plugin.version>3.2.4</maven-gpg-plugin.version>
     <maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>
     <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
     <native-plugin.version>0.10.1</native-plugin.version>