Query string and client IP gated behind send_default_pii

Bug Fixes 🐛

Fastapi

• Prevent double wrapping of sync handlers on FastAPI >= 0.137 by @jhonny-on in #6569
• Use effective_route_context path for prefixed routers by @ericapisani in #6572

Other

• (asgi) Gate query string and client IP behind send_default_pii by @ericapisani in #6501
• (serializer) Avoid creating reference cycles on every call by @Malkiz223 in #6563
• (user) Set user.ip_address on telemetry if present by @sentrivana in #6555
• Remove 0000 trace_id fallbacks by @sl0thentr0py in #6570
• MANIFEST.in: Graft tests directory. by @charlesroelli in #6237

Internal Changes 🔧

• (fastapi) Verify request info capture with POST endpoints by @alexander-alderman-webb in #6287
• (starlette) Verify request info capture with POST endpoints by @alexander-alderman-webb in #6269