Bump net.sourceforge.plantuml:plantuml-asl from 1.2025.8 to 1.2025.9 (#713)

Bumps [net.sourceforge.plantuml:plantuml-asl](https://github.com/plantuml/plantuml) from 1.2025.8 to 1.2025.9.
- [Release notes](https://github.com/plantuml/plantuml/releases)
- [Changelog](https://github.com/plantuml/plantuml/blob/master/CHANGES.md)
- [Commits](plantuml/plantuml@v1.2025.8...v1.2025.9)

---
updated-dependencies:
- dependency-name: net.sourceforge.plantuml:plantuml-asl
  dependency-version: 1.2025.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -66,7 +66,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.release>9</maven.compiler.release>
-        <plantuml-asl.version>1.2025.8</plantuml-asl.version>
+        <plantuml-asl.version>1.2025.9</plantuml-asl.version>
 
         <!-- test -->
         <junit.version>6.0.1</junit.version>