upgraded pandas and numpy, together with python-dateutil

requirements.txt

@@ -32,8 +32,8 @@ lxml==4.6.2
 matplotlib==3.3.3
 mockito==1.2.2
 nexmo==2.5.2
-numpy==1.19.5
-pandas==1.1.5
+numpy==1.26.1
+pandas==2.1.1
 packaging==20.8
 django-datatables-view==1.19.1
 phonenumberslite==8.12.15
@@ -46,7 +46,7 @@ pyexcel-webio==0.1.4
 pyexcel-xls==0.6.1
 PyJWT==1.7.1
 pyparsing==2.4.7
-python-dateutil==2.8.1
+python-dateutil==2.8.2
 python-docx==0.8.10
 pytz==2020.4
 py==1.10.0