[1.3] upgrade plotly to v2 (#1432)

[joshuali925]

Description

[Describe what this change achieves]

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ba34589) 45.97% compared to head (0d5cea8) 45.97%.

Additional details and impacted files

@@            Coverage Diff            @@
##              1.3    #1449     +/-   ##
=========================================
  Coverage   45.97%   45.97%             
=========================================
  Files         384      192    -192     
  Lines       10914     5457   -5457     
  Branches     2598     1279   -1319     
=========================================
- Hits         5018     2509   -2509     
+ Misses       5838     2921   -2917     
+ Partials       58       27     -31     

Flag	Coverage Δ
dashboards-observability	45.97% <ø> (ø)

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