Bump net.sourceforge.plantuml:plantuml from 1.2025.8 to 1.2025.9 (#1438)

Bumps [net.sourceforge.plantuml:plantuml](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
  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

@@ -267,7 +267,7 @@
           <dependency>
             <groupId>net.sourceforge.plantuml</groupId>
             <artifactId>plantuml</artifactId>
-            <version>1.2025.8</version>
+            <version>1.2025.9</version>
           </dependency>
         </dependencies>
         <executions>