build(deps): bump org.apache.maven.plugins:maven-gpg-plugin (#63)

Author: dependabot[bot]

pom.xml

@@ -159,7 +159,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-gpg-plugin</artifactId>
-				<version>1.5</version>
+				<version>3.2.8</version>
 				<executions>
 					<execution>
 						<id>sign-artifacts</id>