Bump uk.org.webcompere:system-stubs-jupiter from 2.0.2 to 2.1.6

Bumps [uk.org.webcompere:system-stubs-jupiter](https://github.com/webcompere/system-stubs) from 2.0.2 to 2.1.6.
- [Release notes](https://github.com/webcompere/system-stubs/releases)
- [Changelog](https://github.com/webcompere/system-stubs/blob/main/History.md)
- [Commits](webcompere/system-stubs@system-stubs-parent-2.0.2...system-stubs-parent-2.1.6)

---
updated-dependencies:
- dependency-name: uk.org.webcompere:system-stubs-jupiter
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -161,7 +161,7 @@
         <dependency>
             <groupId>uk.org.webcompere</groupId>
             <artifactId>system-stubs-jupiter</artifactId>
-            <version>2.0.2</version>
+            <version>2.1.6</version>
             <scope>test</scope>
         </dependency>
         <dependency>