Increased jenkins version

Author: arthurvanduynhoven

pom.xml

@@ -31,7 +31,7 @@
     <properties>
         <revision>1.22</revision>
         <changelist>-SNAPSHOT</changelist>
-        <jenkins.version>2.60.3</jenkins.version>
+        <jenkins.version>2.121.1</jenkins.version>
         <java.level>8</java.level>
         <workflow-step-api-plugin.version>2.19</workflow-step-api-plugin.version>
         <workflow-support-plugin.version>3.3</workflow-support-plugin.version>