Summary

• Updates RP235x HAL to 0.4 and PIO to 0.3 across bdshot/ahrs/examples, removing pio-proc.
• Adds cu_crsf support for both embedded-io 0.6 and 0.7 with feature gating and updated std adapter wiring.
• Adjusts RP2350 skeleton timer captures to avoid cloning and clarify ownership in closures.

Changes

• components/bridges/cu_bdshot/Cargo.toml: bump rp235x-hal to 0.4, pio to 0.3, drop pio-proc, update rp2350 feature deps.
• components/bridges/cu_bdshot/src/board/rp2350.rs: switch pio_file import to pio::pio_file.
• components/bridges/cu_crsf/Cargo.toml + components/bridges/cu_crsf/src/lib.rs: add embedded-io-06/embedded-io-07 features with compile-time checks, update adapters to embedded-io-adapters-06, adjust std feature wiring.
• components/tasks/cu_ahrs/Cargo.toml: bump rp235x-hal to 0.4.
• examples/cu_elrs_bdshot_demo/Cargo.toml: bump rp235x-hal to 0.4 and enable embedded-io-07.
• examples/cu_flight_controller/Cargo.toml: enable embedded-io-06 for cu-crsf.
• examples/cu_rp2350_skeleton/src/firmware.rs: rename timer capture vars and use direct moves instead of clone() for closures.

Testing

• just nostd-ci
• just lint
• cargo +stable nextest run --workspace --all-targets

Checklist

• I have updated docs or examples where needed
• I have added or updated tests where needed
• I have considered platform impact (Linux/macOS/Windows/embedded)
• I have considered config/logging changes (if applicable)
• This change is not a breaking change (or I documented it below)