Use less restrictive package versions

requirements.txt

-dacite==1.6.0
-dataclasses==0.6
-click==8.0.1
-psutil==5.8.0
-pandas==1.3.3
-bokeh==2.4.0
-tornado==6.1
+dacite>=1.6
+dataclasses>=0.6
+click>=7
+psutil>=5
+pandas>=1
+bokeh>=2.4
+tornado>=6.1,<7