bump dependencies versions

Author: Marc-André Rivet

setup.py

@@ -20,10 +20,10 @@
         'Flask>=0.12',
         'flask-compress',
         'plotly',
-        'dash_renderer>=0.19.0',
-        'dash-core-components>=0.43.1',
-        'dash-html-components>=0.13.5',
-        'dash-table>=3.5.0'
+        'dash_renderer==0.20.0',
+        'dash-core-components==0.44.0',
+        'dash-html-components==0.14.0',
+        'dash-table==3.6.0'
     ],
     entry_points={
         'console_scripts': [