Update dependency org.apache.maven.plugins:maven-enforcer-plugin to v3.6.3 (#1620)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
|
[org.apache.maven.plugins:maven-enforcer-plugin](https://maven.apache.org/enforcer/)
([source](https://redirect.github.com/apache/maven-enforcer)) | `3.6.2`
→ `3.6.3` |
![age](https://developer.mend.io/api/mc/badges/age/maven/org.apache.maven.plugins:maven-enforcer-plugin/3.6.3?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.apache.maven.plugins:maven-enforcer-plugin/3.6.2/3.6.3?slim=true)
|

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generator/pom.xml

@@ -11,7 +11,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
-                <version>3.6.2</version>
+                <version>3.6.3</version>
                 <executions>
                     <execution>
                         <id>enforce-maven</id>