Add missing upper-bound in version range of junit-jupiter dependency

Author: HannesWell

ui/org.eclipse.pde.ui.tests/META-INF/MANIFEST.MF

@@ -59,7 +59,7 @@ Import-Package: jakarta.annotation;version="[2.1.0,3.0.0)",
  org.eclipse.pde.internal.build,
  org.hamcrest,
  org.junit,
- org.junit.jupiter.api.function;version="5.8.1",
+ org.junit.jupiter.api.function;version="[5.8.1,6.0.0)",
  org.junit.jupiter.migrationsupport;version="[5.13.0,6.0.0)",
  org.junit.platform.suite.api;version="[1.13.0,2.0.0)",
  org.junit.rules,