Fix junit 5 and 6 mixture

Author: akurtakov

org.eclipse.wildwebdeveloper.tests/META-INF/MANIFEST.MF

@@ -8,7 +8,7 @@ Bundle-Vendor: Eclipse Wild Web Developer
 Automatic-Module-Name: org.eclipse.wildwebdeveloper.tests
 Bundle-RequiredExecutionEnvironment: JavaSE-21
 Require-Bundle: org.eclipse.wildwebdeveloper;bundle-version="1.0.0",
- junit-jupiter-api;bundle-version="5.6.0",
+ junit-jupiter-api;bundle-version="[5.6.0,6.0)",
  org.eclipse.core.resources,
  org.eclipse.core.runtime,
  org.eclipse.ui.ide,