Build(deps): Bump granian from 2.5.7 to 2.7.4 in /python

[dependabot]

Bumps granian from 2.5.7 to 2.7.4.

Release notes

Sourced from granian's releases.

Granian 2.7.4

Patch release

Changes since 2.7.3:

• Fix a bug in ASGI protocol leading to panics on malformed websocket subprotocol headers
• Fix a bug in RSGI and WSGI protocols leading to panics on malformed response headers
• Bump dependencies

Granian 2.7.3

Patch release

Changes since 2.7.2:

• Fix a bug in ASGI protocol preventing to receive websocket disconnection messages before accept
• Bump dependencies

Granian 2.7.2

Patch release

Changes since 2.7.1:

• Review ASGI websockets' rejection flow
  • This should fix an hang issue with Django channels
• Fix ASGI websocket scope suprotocols split (#817 by @​JaeHyuckSa)
• Fix Content-Type header in metrics endpoint (#808 by @​IngmarStein)
• Bump dependencies

Granian 2.7.1

Patch release

Changes since 2.7.0:

• Fix websockets' handles cleanup on shutdown
  • This should fix an occasional runtime thread panic with the message Cannot drop pointer into Python heap without the thread being attached
• Fix a bug in the ASGI protocol preventing apps to receive the websocket.disconnect event after server-initiated close (#801 by @​JaeHyuckSa)
  • This should fix some long-standing issues with Django channels
• Review some lock holding strategy in PyFutureAwaitable callback dispatch (#802 by @​ColemanDunn)
• Bump dependencies

Granian 2.7.0

What's Changed

New features

• Add prometheus metrics export (based on @​butlerx preliminary work)
• Add support for ASGI websocket denial response extension (#771 by @​JaeHyuckSa)
• Add static files rewrite support for directory listings (#784 by @​tobiasge)
• Add support for multiple static paths

Changes

• Lowered --blocking-threads-idle-timeout minimum accepted value to 5 seconds
• Bump dependencies

... (truncated)

Commits

• 84af73d Bump dependencies
• e155a82 Avoid panics on RSGI and WSGI response headers parsing
• 765203d Avoid panics on ASGI websocket subprotocols parsing
• 88ed683 Bump version to 2.7.4
• bdd5b0f Update bench harness (#837)
• 95b0af8 Bump dependencies
• 1fbd309 Handle websocket disconnections before accept in ASGI (#836)
• 620c7e9 Bump version to 2.7.3
• b9f1d7a Bump actions/upload-artifact from 6 to 7 (#825)
• d1d0e6a Bump actions/download-artifact from 7 to 8 (#824)
• Additional commits viewable in compare view

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