Add retries to CI

[jpdillingham]

There are a few flaky unit tests so I'm adding retries around the test step. This PR gets rid of the ci script and moves the steps within it to the workflow definition so I can avoid re-building and re-initializing sonarscanner every iteration and instead just re-run tests.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.16%. Comparing base (fd439ba) to head (3263b22).
⚠️ Report is 16 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #966      +/-   ##
==========================================
- Coverage   99.18%   99.16%   -0.03%     
==========================================
  Files         185      189       +4     
  Lines        6632     6704      +72     
  Branches     1012     1024      +12     
==========================================
+ Hits         6578     6648      +70     
- Misses         41       42       +1     
- Partials       13       14       +1     

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