update requirements.txt and README to align with the updates from the source repo

Author: qiutong

README.md

@@ -89,6 +89,7 @@ pip install -r requirements.txt
 pip install openvino nncf
 python setup.py develop # or  pip install -e .
 python -m unidic download
+python -m nltk.downloader averaged_perceptron_tagger_eng
 pip install deepfilternet #optional for enhancing speech
 ```
 

requirements.txt

@@ -1,7 +1,6 @@
 txtsplit
 torch
 torchaudio
-cached_path
 transformers==4.27.4
 num2words==0.5.12
 unidic_lite==1.0.8
@@ -27,3 +26,5 @@ langid==1.1.6
 tqdm
 tensorboard==2.16.2
 loguru==0.7.2
+botocore>=1.34.98
+cached_path>=1.6.2