Bump org.apache.maven.plugins:maven-surefire-plugin in /generator

Bumps [org.apache.maven.plugins:maven-surefire-plugin](https://github.com/apache/maven-surefire) from 3.5.3 to 3.5.4.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.5.3...surefire-3.5.4)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-surefire-plugin
  dependency-version: 3.5.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

generator/pom.xml

@@ -88,7 +88,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>3.5.3</version>
+        <version>3.5.4</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>