Bump impsort-maven-plugin from 1.8.0 to 1.9.0

Bumps [impsort-maven-plugin](https://github.com/revelc/impsort-maven-plugin) from 1.8.0 to 1.9.0.
- [Commits](revelc/impsort-maven-plugin@impsort-maven-plugin-1.8.0...impsort-maven-plugin-1.9.0)

---
updated-dependencies:
- dependency-name: net.revelc.code:impsort-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -64,7 +64,7 @@
         <maven.compiler.release>11</maven.compiler.release>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
-        <version.impsort.plugin>1.8.0</version.impsort.plugin>
+        <version.impsort.plugin>1.9.0</version.impsort.plugin>
 
     </properties>