Ensure code cov results are published even if CI does not pass

[DonJayamanne]

For #3896

• Pull request represents a single change (i.e. not fixing disparate/unrelated things in a single PR)
• Title summarizes what is changing
• Has a news entry file (remember to thank yourself!)
• [n/a] Unit tests & system/integration tests are added/updated
• [n/a] Test plan is updated as appropriate
• [n/a] package-lock.json has been regenerated by running npm install (if dependencies have changed)

[codecov]

Codecov Report

Merging #3897 into master will decrease coverage by 1%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #3897    +/-   ##
=======================================
- Coverage      81%     81%   -<1%     
=======================================
  Files         399     399            
  Lines       18285   18285            
  Branches     2951    2951            
=======================================
- Hits        14719   14718     -1     
- Misses       3563    3564     +1     
  Partials        3       3

Flag	Coverage Δ
#Linux	68% <ø> (+1%)	⬆️
#Windows	68% <ø> (+1%)	⬆️
#macOS	67% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
src/client/debugger/debugAdapter/main.ts	81% <0%> (-1%)	⬇️
src/client/common/process/pythonProcess.ts	95% <0%> (+2%)	⬆️
...reter/locators/services/cacheableLocatorService.ts	98% <0%> (+3%)	⬆️

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