Copter, Rover, Tracker: 4.5.2-beta1 release

[rmackay9]

This is the Copter, Rover and Tracker 4.5.2-beta1 release.

The individual PRs included can be seen in the 4.5 Backports project by checking the "Status" for "4.5.2-beta1" entries.

These PRs were not included because I bumped into merge conflicts that I was not confident I would be able to resolve correctly:

• https://github.com/ArduPilot/ardupilot/pull/25844
• https://github.com/ArduPilot/ardupilot/pull/26558
• https://github.com/ArduPilot/ardupilot/pull/26710
• https://github.com/ArduPilot/ardupilot/pull/26745

I also encountered a merge conflict with the Plane branch because of the AntennaTracker's Release Notes. @tridge I think we might need to do a forced push to resolve this one.

@andyp1per could you help me figure out why these builds are failing?

Failed builds:
  configure: BlitzF745
  configure: BlitzF745-bl
  configure: BlitzMiniF745
  configure: BlitzMiniF745-bl
  configure: FoxeerF405v2
  configure: FoxeerF405v2-bl

[tridge]

@peterbarker can you backport the crash dump PR?

[tridge]

@rmackay9 looks good, but I'd like the crash dump arming check if we can