chore(jenkins): Update Jenkins plugins (#493)

Author: gounthar

dockerfiles/plugins.txt

@@ -20,7 +20,7 @@ font-awesome-api:6.5.2-1
 git-client:5.0.0
 git:5.2.2
 github-api:1.321-468.v6a_9f5f2d5a_7e
-github-branch-source:1790.v5a_7859812c8d
+github-branch-source:1793.v1831e9c68d77
 github:1.39.0
 gradle:2.12
 instance-identity:185.v303dc7c645f9
@@ -72,8 +72,8 @@ variant:60.v7290fc0eb_b_cd
 workflow-aggregator:600.vb_57cdd26fdd7
 workflow-api:1322.v857eeeea_9902
 workflow-basic-steps:1058.vcb_fc1e3a_21a_9
-workflow-cps:3908.vd6b_b_5a_a_54010
-workflow-durable-task-step:1360.v82d13453da_a_f
+workflow-cps:3922.va_f73b_7c4246b_
+workflow-durable-task-step:1364.v2fd76fb_6fd41
 workflow-job:1400.v7fd111b_ec82f
 workflow-multibranch:783.787.v50539468395f
 workflow-scm-step:427.v4ca_6512e7df1