Adding fix of asr_diar tutorial for r3.0.0

Signed-off-by: Taejin Park <tango4j@gmail.com>

Author: tango4j

tutorials/speaker_tasks/ASR_with_SpeakerDiarization.ipynb

@@ -193,7 +193,7 @@
         "DOMAIN_TYPE = \"meeting\" # Can be meeting or telephonic based on domain type of the audio file\n",
         "CONFIG_FILE_NAME = f\"diar_infer_{DOMAIN_TYPE}.yaml\"\n",
         "\n",
-        "CONFIG_URL = f\"https://raw.githubusercontent.com/NVIDIA/NeMo/main/examples/speaker_tasks/diarization/conf/inference/{CONFIG_FILE_NAME}\"\n",
+        "CONFIG_URL = f\"https://raw.githubusercontent.com/NVIDIA/NeMo/{BRANCH}/examples/speaker_tasks/diarization/conf/inference/{CONFIG_FILE_NAME}\"\n",
         "\n",
         "if not os.path.exists(os.path.join(data_dir,CONFIG_FILE_NAME)):\n",
         "    CONFIG = wget.download(CONFIG_URL, data_dir)\n",