Filter secret CI variable values from logs

config/application.rb

@@ -70,6 +70,7 @@ module Gitlab
     # - Webhook URLs (:hook)
     # - Sentry DSN (:sentry_dsn)
     # - Deploy keys (:key)
+    # - Secret variable values (:secret_value)
     config.filter_parameters += [/token$/, /password/, /secret/]
     config.filter_parameters += %i(
       certificate
@@ -81,6 +82,7 @@ module Gitlab
       sentry_dsn
       trace
       variables
+      secret_value
     )
 
     # Enable escaping HTML in JSON.