fix(tdengine): make password a required field (rv5.0)

Fixes https://emqx.atlassian.net/browse/EMQX-9395

```
2023-03-29T09:59:02.655495+00:00 [warning] msg: start_resource_failed, mfa: emqx_resource_manager:start_resource/2, line: 524, id: <<"bridge:tdengine:jimmoen-test-trigger">>, reason: {error,function_clause,[{emqx_ee_connector_tdengine,on_start,[<<"bridge:tdengine:jimmoen-test-trigger:1076">>,#{database => <<"db">>,enable => true,pool_size => 8,resource_opts => #{auto_restart_interval => 60000,batch_size => 1,batch_time => 0,health_check_interval => 15000,max_queue_bytes => 104857600,query_mode => sync,request_timeout => 15000,start_after_created => true,start_timeout => 5000,worker_pool_size => 16},server => "127.0.0.1",sql => <<"insert into mqtt.t_mqtt_msg(ts, msgid, mqtt_topic, qos, payload, arrived) values (${ts}, ${id}, ${topic}, ${qos}, ${payload}, ${timestamp})">>,username => <<"root">>}],[{file,"emqx_ee_connector_tdengine.erl"},{line,76}]},{emqx_resource,call_start,3,[{file,"emqx_resource.erl"},{line,359}]},{emqx_resource_manager,start_resource,2,[{file,"emqx_resource_manager.erl"},{line,513}]},{gen_statem,loop_state_callback,11,[{file,"gen_statem.erl"},{line,1205}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}
```

.ci/docker-compose-file/docker-compose.yaml

@@ -16,6 +16,9 @@ services:
       GITHUB_REF: ${GITHUB_REF}
     networks:
       - emqx_bridge
+    ports:
+      - 28083:18083
+      - 2883:1883
     volumes:
       - ../..:/emqx
       - /tmp/emqx-ci/emqx-shared-secret:/var/lib/secret

lib-ee/emqx_ee_connector/src/emqx_ee_connector.app.src

@@ -1,6 +1,6 @@
 {application, emqx_ee_connector, [
     {description, "EMQX Enterprise connectors"},
-    {vsn, "0.1.7"},
+    {vsn, "0.1.8"},
     {registered, []},
     {applications, [
         kernel,

lib-ee/emqx_ee_connector/src/emqx_ee_connector_tdengine.erl

@@ -41,14 +41,16 @@ roots() ->
 fields(config) ->
     [
         {server, server()}
-        | add_default_username(emqx_connector_schema_lib:relational_db_fields())
+        | adjust_fields(emqx_connector_schema_lib:relational_db_fields())
     ].
 
-add_default_username(Fields) ->
+adjust_fields(Fields) ->
     lists:map(
         fun
             ({username, OrigUsernameFn}) ->
                 {username, add_default_fn(OrigUsernameFn, <<"root">>)};
+            ({password, OrigPasswordFn}) ->
+                {password, make_required_fn(OrigPasswordFn)};
             (Field) ->
                 Field
         end,
@@ -61,6 +63,12 @@ add_default_fn(OrigFn, Default) ->
         (Field) -> OrigFn(Field)
     end.
 
+make_required_fn(OrigFn) ->
+    fun
+        (required) -> true;
+        (Field) -> OrigFn(Field)
+    end.
+
 server() ->
     Meta = #{desc => ?DESC("server")},
     emqx_schema:servers_sc(Meta, ?TD_HOST_OPTIONS).