fix: update deprecated usage of taskiq_redis broker (#169)

Author: nicognaW

fastapi_template/template/{{cookiecutter.project_name}}/{{cookiecutter.project_name}}/tkq.py

@@ -21,13 +21,11 @@
 {%- if cookiecutter.enable_rmq == "True" %}
 broker = AioPikaBroker(
     str(settings.rabbit_url),
-    {%- if cookiecutter.enable_redis == "True" %}result_backend=result_backend, {%- endif %}
-)
+){%- if cookiecutter.enable_redis == "True" %}.with_result_backend(result_backend){%- endif %}
 {%- elif cookiecutter.enable_redis == "True" %}
 broker = ListQueueBroker(
     str(settings.redis_url.with_path("/1")),
-    result_backend=result_backend,
-)
+).with_result_backend(result_backend)
 {%- else %}
 broker = ZeroMQBroker()
 {%- endif %}