Move to HTTP Inspector

[ahopkins]

Replace #2620 and #2618

This PR does the following:

1. Moves the Inspector to a Sanic app from a simple TCP socket with a custom protocol
2. Deprecates the --inspect commands so that we can nest them: sanic inspect ...
3. Adds the ability to ping the inspector by host/port (remote access now possible)
4. Adds TLS support
5. Adds authentication
6. Adds inspector_class to the Sanic instance similar to some other classes to allow for simple extendability

Because there is a simple pattern to extend, it is possible to add your own custom commands:

class CustomInspector(Inspector):
    async def foo(self, one):
        return "This value will be output back to terminal"


app = Sanic("TestApp", inspector=True, inspector_class=CustomInspector)

sanic inspect foo --one=1

[codecov]

Codecov Report

Base: 88.622% // Head: 88.553% // Decreases project coverage by -0.068% ⚠️

Coverage data is based on head (7a12806) compared to base (bfb54b0).
Patch coverage: 93.589% of modified lines in pull request are covered.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #2626       +/-   ##
=============================================
- Coverage   88.622%   88.553%   -0.069%     
=============================================
  Files           81        81               
  Lines         6706      6701        -5     
  Branches      1143      1143               
=============================================
- Hits          5943      5934        -9     
- Misses         527       528        +1     
- Partials       236       239        +3     

Impacted Files	Coverage Δ
sanic/http/tls/context.py	95.535% <66.666%> (-0.861%)	⬇️
sanic/worker/inspector.py	93.902% <93.846%> (-5.023%)	⬇️
sanic/app.py	89.818% <100.000%> (+0.018%)	⬆️
sanic/config.py	97.402% <100.000%> (+0.051%)	⬆️
sanic/mixins/startup.py	91.196% <100.000%> (+0.205%)	⬆️
sanic/worker/serve.py	91.428% <100.000%> (+0.252%)	⬆️

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