Update submodule mavlink to latest Sat Dec 14 00:39:04 UTC 2024

    - mavlink in PX4/Firmware (661ae0c): mavlink/mavlink@0e42010
    - mavlink current upstream: mavlink/mavlink@5e3a42b
    - Changes: mavlink/mavlink@0e42010...5e3a42b

    5e3a42b8 2024-12-12 Hamish Willee - development: Remove parameter transaction proposal (#2169)
25f4e9f0 2024-12-11 Hamish Willee - STANDARD_MODE_SAFE_RECOVERY + RTL merge (#2191)
d5a8cb4 2024-12-11 Hamish Willee - Docs generate fix (#2194)
35f70c4a 2024-12-05 Hamish Willee - Create index.md, dialects.md and make notes/warning work with vitepress (#2193)
57c02856 2024-12-05 Hamish Willee - CAMERA_THERMAL_RANGE - no longer WIP (#2189)
1ee2ebe1 2024-12-04 Hamish Willee - fetch_dialect_ardupilotmega.yml: Not fail if nothing to commit (#2181)
1aa8c2d0 2024-12-04 Hamish Willee - ardupilotmega - remove_mav_cmd_external_estimate (#2187)
49fa509a 2024-11-30 github-actions[bot] - ardupilotmega dialects from ArduPilot/mavlink: Fri Nov 29 23:49:36 UTC 2024 (#2185)
75ebfc8f 2024-11-30 Hamish Willee - Update fetch_dialect_ardupilotmega.yml - fix copy error (#2184)
8e97709d 2024-11-30 Hamish Willee - fetch_dialect_ardupilotmega.yml - add loweheiser (#2183)
82b81aa8 2024-11-27 github-actions[bot] - ardupilotmega.xml from ArduPilot/mavlink: Wed Nov 27 04:13:16 UTC 2024 (#2178)
5c421a33 2024-11-27 Hamish Willee - Speed uncertainty units /s (#2180)
33f8a327 2024-11-24 David Sastre - Some modifications to multi-GCS protocol (#2179)
9938f940 2024-11-21 Hamish Willee - fetch_dialect_ardupilotmega - create (#2177)
a55d0ec5 2024-11-21 Hamish Willee - MAV_CMD_GROUP_START and _GROUP_END delete wip (#2176)
1cf3c721 2024-11-21 Hamish Willee - dev: move FUEL_STATUS to common (#2170)
7ecb8e33 2024-11-21 Hamish Willee - WIFI_NETWORK_SECURITY - wip removal (#2164)