Bump paxExamVersion from 4.13.5 to 4.14.0 (#390)

Bumps `paxExamVersion` from 4.13.5 to 4.14.0.

Updates `org.ops4j.pax.exam:pax-exam` from 4.13.5 to 4.14.0

Updates `org.ops4j.pax.exam:pax-exam-junit4` from 4.13.5 to 4.14.0

Updates `org.ops4j.pax.exam:pax-exam-container-karaf` from 4.13.5 to 4.14.0

---
updated-dependencies:
- dependency-name: org.ops4j.pax.exam:pax-exam
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.ops4j.pax.exam:pax-exam-junit4
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.ops4j.pax.exam:pax-exam-container-karaf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Aaron Coburn <acoburn@apache.org>

Author: dependabot[bot]

build.gradle

@@ -38,7 +38,7 @@ ext {
     karafVersion = '4.4.7'
     osgiVersion = '8.0.0'
     osgiCompendiumVersion = '5.0.0'
-    paxExamVersion = '4.13.5'
+    paxExamVersion = '4.14.0'
     projectOsgiVersion = project.version.replaceAll("-SNAPSHOT", ".SNAPSHOT")
 
     jacocoTestProjects = [