chore(jenkins): Update Jenkins plugins (#1875)

Author: gounthar

dockerfiles/plugins.txt

@@ -37,7 +37,7 @@ jquery3-api:3.7.1-619.vdb_10e002501a_
 junit:1369.v15da_00283f06
 locale:614.va_6a_5a_1a_f2b_38
 mailer:522.va_995fa_cfb_8b_d
-matrix-auth:3.2.8
+matrix-auth:3.2.9
 matrix-project:870.v9db_fcfc2f45b_
 metrics:4.2.37-489.vb_6db_69b_ce753
 mina-sshd-api-common:2.16.0-167.va_269f38cc024