Update dependency plotly to v4.12.0

Author: renovate-bot

requirements.txt

@@ -25,7 +25,7 @@ packaging==20.4
 pandas==1.1.3
 pathlib==1.0.1
 pathspec==0.8.0
-plotly==4.11.0
+plotly==4.12.0
 pluggy==0.13.1
 ply==3.11
 py==1.9.0