build(deps): bump license-maven-plugin from 4.0.rc1 to 4.2

Bumps license-maven-plugin from 4.0.rc1 to 4.2.

---
updated-dependencies:
- dependency-name: com.mycila:license-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

exist-parent/pom.xml

@@ -599,7 +599,7 @@
                 <plugin>
                     <groupId>com.mycila</groupId>
                     <artifactId>license-maven-plugin</artifactId>
-                    <version>4.0.rc1</version>
+                    <version>4.2</version>
                 </plugin>
                 <plugin>
                     <groupId>org.owasp</groupId>