Expand filtered parameters to include `token`

Now that we are logging API requests in `api_json.log`, we see that
the runner token was not filtered properly.

config/application.rb

@@ -51,7 +51,7 @@ module Gitlab
     # Configure sensitive parameters which will be filtered from the log file.
     #
     # Parameters filtered:
-    # - Any parameter ending with `_token`
+    # - Any parameter ending with `token`
     # - Any parameter containing `password`
     # - Any parameter containing `secret`
     # - Two-factor tokens (:otp_attempt)
@@ -61,7 +61,7 @@ module Gitlab
     # - Webhook URLs (:hook)
     # - Sentry DSN (:sentry_dsn)
     # - Deploy keys (:key)
-    config.filter_parameters += [/_token$/, /password/, /secret/]
+    config.filter_parameters += [/token$/, /password/, /secret/]
     config.filter_parameters += %i(
       certificate
       encrypted_key