Need to update references to rp2040-boot2-rs about rp-hal

[thejpster]

I think we're good now - rp2040-boot2 0.2.0 came out a while ago?

[9names]

Yep, we're good, going to close this issue.

rg rp2040-boot2
rp2040-hal/Cargo.toml
42:rp2040-boot2 = "0.2"

boards/feather_rp2040/Cargo.toml
21:rp2040-boot2 = "0.2"

boards/qt_py_rp2040/Cargo.toml
21:rp2040-boot2 = "0.2"

boards/pro_micro_rp2040/Cargo.toml
24:rp2040-boot2 = "0.2"

boards/itsy_bitsy_rp2040/Cargo.toml
21:rp2040-boot2 = "0.2"

boards/pico_lipo_16mb/Cargo.toml
22:rp2040-boot2 = "0.2"

boards/pico_explorer/Cargo.toml
30:rp2040-boot2 = "0.2"

boards/pico/Cargo.toml
39:rp2040-boot2 = "0.2"