chore(deps): Bump sanic from 21.6.2 to 21.12.2 in /tests in the pip group across 1 directory - #2

Sourced from sanic's releases.

Version 21.12.2

Resolves #2477 and #2478 See also #2495 and GHSA-8cw9-5hmv-77w6

Full Changelog: sanic-org/sanic@v21.12.1...v21.12.2

Version 21.12.1

• #2349 Only display MOTD on startup
• #2354 Add config.update support for all config values
• #2355 Ignore name argument in Python 3.7

Version 21.12.0

Features

• #2260 Allow early Blueprint registrations to still apply later added objects
• #2262 Noisy exceptions - force logging of all exceptions
• #2264 Optional uvloop by configuration
• #2270 Vhost support using multiple TLS certificates
• #2277 Change signal routing for increased consistency
  • BREAKING CHANGE: If you were manually routing signals there is a breaking change. The signal router's get is no longer 100% determinative. There is now an additional step to loop thru the returned signals for proper matching on the requirements. If signals are being dispatched using app.dispatch or bp.dispatch, there is no change.
• #2290 Add contextual exceptions
• #2291 Increase join concat performance
• #2295, #2316, #2331 Restructure of CLI and application state with new displays and more command parity with app.run
• #2302 Add route context at definition time
• #2304 Named tasks and new API for managing background tasks
• #2307 On app auto-reload, provide insight of changed files
• #2308 Auto extend application with Sanic Extensions if it is installed, and provide first class support for accessing the extensions
• #2309 Builtin signals changed to Enum
• #2313 Support additional config implementation use case
• #2321 Refactor environment variable hydration logic
• #2327 Prevent sending multiple or mixed responses on a single request
• #2330 Custom type casting on environment variables
• #2332 Make all deprecation notices consistent
• #2335 Allow underscore to start instance names

Bugfixes

• #2273 Replace assignation by typing for websocket_handshake
• #2285 Fix IPv6 display in startup logs
• #2299 Dispatch http.lifecyle.response from exception handler

Deprecations and Removals

• #2306 Removal of deprecated items
  • Sanic and Blueprint may no longer have arbitrary properties attached to them
  • Sanic and Blueprint forced to have compliant names
    • alphanumeric + _ + -
    • must start with letter or _
  • load_env keyword argument of Sanic
  • sanic.exceptions.abort
  • sanic.views.CompositionView
  • sanic.response.StreamingHTTPResponse
    • NOTE: the stream() response method (where you pass a callable streaming function) has been deprecated and will be removed in v22.6. You should upgrade all streaming responses to the new style: https://sanicframework.org/en/guide/advanced/streaming.html#response-streaming

... (truncated)

• 0b75059 Version Bump
• 5b1686c Use path.parts instead of match (#2508)
• 86baaef Use pathlib for path resolution (#2506)
• 2b4b78d Fix dotted test
• ee6d8cf Prevent directory traversion with static files (#2495)
• c4da66b Update changelog
• d50d3b8 Bump version
• 313f97a Only display MOTD in ASGI on startup (#2349)
• a23547d Ignore name argument on Python 3.7 (#2355)
• 34d1dee Add config.update support for setters (#2354)
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