Update requirements.txt

As the ANTIALIAS attribute of the Pillow package is removed in version 10.0, I think that version 9 of the Pillow library should be defined.

requirements.txt

@@ -5,4 +5,5 @@ torchaudio --index-url https://download.pytorch.org/whl/cpu
 vietocr==0.3.11
 streamlit==1.21.0
 pandas
-transformers==4.29.1
+transformers==4.29.1
+Pillow==9.5.0