Update 7.4.0

Change log and commit attribution

• [SX126x] Update doc of SX126x::getPacketLength (#1611) (by @cleishm)
• [HAL] Fix RPi HAL initialization order
• [LoRaWAN] Fix persistent downlink MAC content (#1616) (by @StevenCellist)
• [LoRaWAN] Fix for Package FPort (by @StevenCellist)
• [LoRaWAN] Fix for Package MAC commands (by @StevenCellist)
• [LoRaWAN] Change getMacDeviceTimeAns to return current time (by @StevenCellist)
• [LoRaWAN] Improve logging (by @StevenCellist)
• [LoRaWAN] Fix for downlinks after confirmed uplinks (by @StevenCellist)
• [LoRaWAN] Logic optimization (by @StevenCellist)
• [LoRaWAN] Process downlinks in-place (by @StevenCellist)
• [LoRaWAN] Fix MAC-only payload truncation (by @StevenCellist)
• [LoRaWAN] Cleanup Timeout IRQ, shortcut zero-length AES (by @StevenCellist)
• [LoRaWAN] Fix for payload processing (#1626 comment) (by @StevenCellist)
• [LR11x0] Split registers. commands and types into separate headers
• [LR11x0] Add method to get boot hash
• [LR11x0] Add GFSK workaround
• [SX126x] Move command variables to commands file
• [SX126x] Add experimental BPSK support
• [SX126x] Add workaround for GFSK
• [SX126x] Remove setSyncBits method (#1633)
• [LR11x0] Remove setSyncBits method

What's Changed

• [SX126x] Update doc of SX126x::getPacketLength by @cleishm in #1611

Full Changelog: 7.3.0...7.4.0