Granian 2.8.5

Patch release

Changes since 2.8.4:

• Refactor static files path pattern matching on Windows
• Fix a shadowing bug in static files url routing
• Update backlog parameter documentation (#936 by @RealOrangeOne)
• Fix IPv6 client address formatting in access log (#933 by @NotAFlightRisk)
• Fix a bug in workers kill timeout budget math (#939 by @Shaisolaris)
• Fix asyncio event loop cleanup in threaded workers (#940 by @Shaisolaris)
• Fix mimalloc CFLAGS on MacOS wheels
• Bump dependencies