Upgrade Karaf from 4.4.7 to 4.4.8 (#4932)

* Upgrade Karaf from 4.4.7 to 4.4.8
* Upgrade Xtext/Xtend from 2.37.0 to 2.39.0
* Sync runtime dependencies with Karaf 4.4.7, most notably:
  * PaxWeb 8.0.33
  * commons-fileupload 1.6.0
  * commons-io 2.20.0
  * commons-lang3 3.18.0
  * JNA 5.17.0
  * XBean 4.27
  * Guava 33.4.8
  * ASM 9.8
  * PaxLogging 2.3.0
  * Bouncy Castle 1.81
  * lsp4j 0.24.0
  * emf.common 2.30.0
  * emf.ecore 2.36
  * emf.ecore.change 2.16.0
  * emf.ecore.xmi 2.37.0
  * guava.failureaccess 1.0.3
  * jose4j 0.9.6
  * logback 1.5.18
* Resolve itest runbundles
* Modularize imports

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

bom/test/pom.xml

@@ -55,7 +55,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.3.14</version>
+      <version>1.5.18</version>
     </dependency>
     <dependency>
       <groupId>com.jayway.jsonpath</groupId>