Update dependency org.apache.maven.plugins:maven-assembly-plugin to v3.8.0

Author: xdev-renovate

template-placeholder-demo/pom.xml

@@ -55,7 +55,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
-				<version>3.7.1</version>
+				<version>3.8.0</version>
 				<configuration>
 					<archive>
 						<manifest>