Update dependency dash-renderer to v1.8.3

Author: renovate-bot

requirements.txt

@@ -7,7 +7,7 @@ cssmin==0.2.0
 dash==1.16.3
 dash-core-components==1.13.0
 dash-html-components==1.1.1
-dash-renderer==1.8.2
+dash-renderer==1.8.3
 dash-table==4.11.0
 Flask==1.1.2
 Flask-Assets==2.0