chore: bump superset-ui 0.18.20

[zhaoyongjie]

SUMMARY

bump superset-ui 0.18.20

• feat(plugin-chart-echarts): support show annotation label [ID-8] apache-superset/superset-ui#1449
• feat(legacy-plugin-chart-calendar): increase the contrast of calendar heatmap color and label apache-superset/superset-ui#1452

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #17362 (d8b66dd) into master (f05a32e) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #17362   +/-   ##
=======================================
  Coverage   77.14%   77.14%           
=======================================
  Files        1036     1036           
  Lines       55759    55759           
  Branches     7628     7628           
=======================================
+ Hits        43013    43014    +1     
+ Misses      12490    12489    -1     
  Partials      256      256           

Flag	Coverage Δ
javascript	71.41% <ø> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
...eFilters/FiltersConfigModal/FiltersConfigModal.tsx	87.71% <0.00%> (+0.58%)	⬆️

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