ci: run tests with sanitizers on linux and MacOS

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.55%. Comparing base (c732bd2) to head (9bf01aa). Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #5 +/- ## ========================================== + Coverage 93.43% 94.55% +1.12% ========================================== Files 1 1 Lines 198 202 +4 ========================================== + Hits 185 191 +6 + Misses 13 11 -2 ```

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[larseggert]

We might want to add this to neqo once it works here.

[mxinden]

We might want to add this to neqo once it works here.

I can follow-up once this pull request is merged here.