Add support for Sanic.TouchUp metaclass

[hmstepanek]

Overview

Starting in Sanic version 21.9.0, Sanic added a TouchUp metaclass that rewrites methods on the Sanic class effectively undoing our instrumentation wrapping on startup of the server. This adds back our instrumentation wrapping after it is undone by wrapping the TouchUp metaclass.

Related Github Issue

This fixes To support instrumentation on Sanic 21.9 / 21.12

[github-actions[bot]]

MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	bandit	2		0	0.72s
✅ PYTHON	black	4	2	0	0.97s
❌ PYTHON	flake8	4		2	0.6s
✅ PYTHON	isort	4	2	0	0.2s
❌ PYTHON	pylint	4		66	8.23s

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