Bump logback-core from 0.9.29 to 1.2.8 in /wsit/tests/osgi-test

Bumps logback-core from 0.9.29 to 1.2.8.

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

wsit/tests/osgi-test/pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>0.9.29</version>
+            <version>1.2.8</version>
             <scope>test</scope>
         </dependency>