Bump modernizer-maven-plugin from 1.9.0 to 2.4.0

Bumps [modernizer-maven-plugin](https://github.com/gaul/modernizer-maven-plugin) from 1.9.0 to 2.4.0.
- [Release notes](https://github.com/gaul/modernizer-maven-plugin/releases)
- [Commits](https://github.com/gaul/modernizer-maven-plugin/compare/modernizer-maven-plugin-1.9.0...modernizer-maven-plugin-2.4.0)

---
updated-dependencies:
- dependency-name: org.gaul:modernizer-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -1195,7 +1195,7 @@
           <plugin>
             <groupId>org.gaul</groupId>
             <artifactId>modernizer-maven-plugin</artifactId>
-            <version>1.9.0</version>
+            <version>2.4.0</version>
             <configuration>
               <javaVersion>1.8</javaVersion>
             </configuration>
@@ -1231,7 +1231,7 @@ The executor runs a shell script.
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>1.6.0</version>
+            <version>3.0.0</version>
             <inherited>false</inherited>
             <executions>
               <execution>