Kill server early on worker error

[ahopkins]

This will be to kill the worker process early on an error and to allow the deadlock restriction to be bumped to a higher value.

[sjsadowski]

Couple of minor things, I don't think they're blockers for merging though.

[codecov]

Codecov Report

Base: 87.945% // Head: 87.818% // Decreases project coverage by -0.127% ⚠️

Coverage data is based on head (3f4bcce) compared to base (0909e94).
Patch coverage: 84.615% of modified lines in pull request are covered.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #2610       +/-   ##
=============================================
- Coverage   87.945%   87.818%   -0.128%     
=============================================
  Files           71        71               
  Lines         5359      5377       +18     
  Branches       893       897        +4     
=============================================
+ Hits          4713      4722        +9     
- Misses         469       473        +4     
- Partials       177       182        +5     

Impacted Files	Coverage Δ
sanic/mixins/startup.py	90.888% <33.333%> (-1.029%)	⬇️
sanic/worker/serve.py	91.176% <88.461%> (+1.521%)	⬆️
sanic/worker/manager.py	92.920% <100.000%> (+0.063%)	⬆️
sanic/worker/multiplexer.py	100.000% <100.000%> (ø)
sanic/server/websockets/impl.py	37.557% <0.000%> (-0.922%)	⬇️

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