Updated the YouTube channel to Dify's (#8817)

api/core/tools/provider/builtin/youtube/youtube.py

             ).invoke(
                 user_id="",
                 tool_parameters={
-                    "channel": "TOKYO GIRLS COLLECTION",
+                    "channel": "UC2JZCsZSOudXA08cMMRCL9g",
                     "start_date": "2020-01-01",
                     "end_date": "2024-12-31",
                 },