chore(molgenis-jenkins): Upgrade plugins

molgenis-jenkins/values.yaml

@@ -3,17 +3,17 @@ jenkins:
     HostName: jenkins.molgenis.org
     ServiceType: ClusterIP
     InstallPlugins:
-      - kubernetes:1.12.0
+      - kubernetes:1.12.6
       - workflow-aggregator:2.5
-      - workflow-job:2.21
+      - workflow-job:2.25
       - credentials-binding:1.16
       - git:3.9.1
       - github-branch-source:2.3.6
-      - kubernetes-credentials-provider:0.9
+      - kubernetes-credentials-provider:0.10
-      - blueocean:1.6.2
+      - blueocean:1.8.3
       - github-oauth:0.29
       - gogs-webhook:1.0.14
-      -	github-scm-trait-commit-skip:0.1.1
+      - github-scm-trait-commit-skip:0.1.1
     Security:
       UseGitHub: false
       GitHub: