Downgrade numpy to be compatible with python 3.9

Summary:
Fixing the error in the public github build by choosing the latest version of numpy available for Python 3.9.

https://pxl.cl/3X998

Reviewed By: csahana95

Differential Revision: D51922276

fbshipit-source-id: 2bdb32043a5ef99718ab63f26cc4a5f797a5f8c7

CybersecurityBenchmarks/requirements.txt

@@ -1,6 +1,6 @@
 langchain==0.0.341
 matplotlib==3.5.1
-numpy==1.26.2
+numpy==1.24.4
 openai==1.3.6
 pandas==1.4.2
 pyyaml==6.0.1