Updating pandas version to one that is supported in our env

Author: nutrina

requirements/base.txt

@@ -119,7 +119,7 @@ graphqlclient==0.2.4
 docutils==0.17.1
 unidecode==1.2.0
 drf-flex-fields==0.9.1
-pandas==1.3.5
+pandas==1.1.5
 django-svg-image-form-field==1.0.1
 datar==0.8.6
 pdtypes==0.0.4