Update dependency quart to v0.19.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
quart	==0.19.3 -> ==0.19.6

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Release Notes

pallets/quart (quart)

v0.19.6

Compare Source

• Bugfix use ContentRange in the right way. See issue #​331.
• Bugfix hold a strong reference to background tasks.
• Bugfix avoid ResourceWarning in DataBody.aiter.

v0.19.5

Compare Source

• Bugfix DeprecationWarning from datetime.utcnow().
• Bugfix ensure request files are closed.
• Bugfix development restarting when commands are passed.
• Restore teardown_websocket methods.
• Correct the config_class type.
• Allow kwargs to be passed to the test client (matches Flask API).

v0.19.4

Compare Source

• Bugfix program not closing on Ctrl+C in Windows.
• Bugfix the typing for AfterWebsocket functions.
• Improve the typing of the ensure_async method.
• Add a shutdown event to the app.

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[Meteord]

Nice one!