Upgrade to modernizer-maven-plugin 1.8.0

Release notes:

https://github.com/gaul/modernizer-maven-plugin/releases/tag/modernizer-maven-plugin-1.8.0
https://github.com/gaul/modernizer-maven-plugin/releases/tag/modernizer-maven-plugin-1.7.1

pom.xml

@@ -270,7 +270,7 @@
       <plugin>
         <groupId>org.gaul</groupId>
         <artifactId>modernizer-maven-plugin</artifactId>
-        <version>1.7.0</version>
+        <version>1.8.0</version>
         <executions>
           <execution>
             <id>modernizer</id>