Fix issue signing token

Author: MarcialRosales

deps/oauth2_client/Makefile

@@ -2,7 +2,7 @@ PROJECT = oauth2_client
 PROJECT_DESCRIPTION = OAuth2 client from the RabbitMQ Project
 
 BUILD_DEPS = rabbit
-DEPS = rabbit_common jose
+DEPS = rabbit_common jose base64url
 TEST_DEPS = rabbitmq_ct_helpers cowboy
 LOCAL_DEPS = ssl inets crypto public_key
 

deps/rabbitmq_management/test/rabbit_mgmt_wm_auth_SUITE.erl

@@ -709,7 +709,11 @@ init_per_testcase(Testcase, Config) when Testcase =:= introspect_opaque_token_re
 
   ok = rabbit_ct_broker_helpers:rpc(Config, 0, application, set_env,
     [rabbitmq_auth_backend_oauth2, key_config, [{cacertfile, CaCertFile}]]),
-   
+
+  ok = rabbit_ct_broker_helpers:rpc(Config, 0, application, set_env,
+    [rabbitmq_auth_backend_oauth2, opaque_token_signing_key, 
+      #{ id => <<"rabbit_key">>, type => hs256, key => <<"some-key">>}]),
+     
   rabbit_ct_helpers:testcase_started(Config, Testcase);
 
 init_per_testcase(Testcase, Config) ->