Update vul_app_requirements.txt

vul_app_requirements.txt

@@ -131,8 +131,8 @@ pydub==0.25.1
 huggingface-hub==0.23.5
 rpds-py==0.20.0
 responses==0.18.0
-tokenizers==3.4.5
-#tokenizers==0.15.2
+#tokenizers==3.4.5
+tokenizers==0.15.2
 statsmodels==0.14.1
 h11==0.14.0
 typer==0.12.5