chore(deps): bump karaf.version from 4.4.3 to 4.4.4

Bumps `karaf.version` from 4.4.3 to 4.4.4.

Updates `org.apache.karaf.itests:common` from 4.4.3 to 4.4.4

Updates `org.apache.karaf:apache-karaf-minimal` from 4.4.3 to 4.4.4

Updates `org.apache.karaf.tooling:karaf-maven-plugin` from 4.4.3 to 4.4.4

---
updated-dependencies:
- dependency-name: org.apache.karaf.itests:common
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.karaf:apache-karaf-minimal
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.karaf.tooling:karaf-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

platforms/karaf/pom.xml

@@ -34,7 +34,7 @@
   </modules>
 
   <properties>
-    <karaf.version>4.4.3</karaf.version>
+    <karaf.version>4.4.4</karaf.version>
     <osgi.version>6.0.0</osgi.version>
     <pax.exam.version>4.13.5</pax.exam.version>
   </properties>