chore(jenkins): Update Jenkins plugins (#2124)

Author: gounthar

dockerfiles/plugins.txt

@@ -36,7 +36,7 @@ jjwt-api:0.11.5-120.v0268cf544b_89
 jquery3-api:3.7.1-619.vdb_10e002501a_
 junit:1403.vd9d1413fd205
 locale:614.va_6a_5a_1a_f2b_38
-mailer:525.v2458b_d8a_1a_71
+mailer:534.v1b_36f5864073
 matrix-auth:3.2.9
 matrix-project:870.v9db_fcfc2f45b_
 metrics:4.2.37-494.v06f9a_939d33a_
@@ -73,7 +73,7 @@ variant:70.va_d9f17f859e0
 workflow-aggregator:608.v67378e9d3db_1
 workflow-api:1398.v67030756d3fb_
 workflow-basic-steps:1098.v808b_fd7f8cf4
-workflow-cps:4259.vf653c2b_8a_b_69
+workflow-cps:4261.va_1fa_c7e4db_da_
 workflow-durable-task-step:1464.v2d3f5c68f84c
 workflow-job:1571.vb_423c255d6d9
 workflow-multibranch:821.vc3b_4ea_780798