fix(deps): update dependency org.jenkins-ci.plugins:pipeline-github to v2.8-159.09e4403bc62f

Author: renovate[bot]

pom.xml

@@ -96,7 +96,7 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>pipeline-github</artifactId>
-            <version>2.2</version>
+            <version>2.8-159.09e4403bc62f</version>
         </dependency>
 
         <!--LesFurets Jenkins Pipeline Unit testing framework: https://github.com/lesfurets/JenkinsPipelineUnit-->