Pin numpy to <2.0.0

numpy 2.0.0 is not compatible with pandas 1.3.5.
numpy 2.0 support was added in pandas 2.2.2.
Related issue: pandas-dev/pandas#59052

Author: sunu

poetry.lock

@@ -57,6 +57,7 @@ graphql-core = "^2.0"
 gunicorn = "==22.0.0"
 lxml = "==4.9.1"
 nltk = "^3.8.1"
+numpy = "<2.0.0"
 opencensus-ext-azure = "==1.0.7"
 opencensus-ext-django = "==0.7.4"
 pandas = "==1.3.5"