Cherry-pick: Add LUKS escrow trigger and orbit config endpoints, persist/retrieve LUKS passphrase

[iansltx]

Cherry-pick of #23763, covers #23583, #23584

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 73.78277% with 70 lines in your changes missing coverage. Please review.

Please upload report for BASE (rc-minor-fleet-v4.60.0@f66256a). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
server/service/orbit.go	67.27%	16 Missing and 2 partials :warning:
server/mdm/mdm.go	59.45%	10 Missing and 5 partials :warning:
server/service/devices.go	12.50%	14 Missing :warning:
ee/server/service/devices.go	83.33%	4 Missing and 2 partials :warning:
server/fleet/utils.go	57.14%	6 Missing :warning:
server/service/hosts.go	85.00%	4 Missing and 2 partials :warning:
...241116233322_AddSlotKeyToHostDiskEncryptionKeys.go	50.00%	4 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## rc-minor-fleet-v4.60.0 #23937 +/- ## ========================================================= Coverage ? 63.17% ========================================================= Files ? 1561 Lines ? 148696 Branches ? 3719 ========================================================= Hits ? 93946 Misses ? 47330 Partials ? 7420 ``` | [Flag](https://app.codecov.io/gh/fleetdm/fleet/pull/23937/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fleetdm) | Coverage Δ | | |---|---|---| | [backend](https://app.codecov.io/gh/fleetdm/fleet/pull/23937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fleetdm) | `64.01% <73.78%> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fleetdm#carryforward-flags-in-the-pull-request-comment) to find out more.

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[iansltx]

Yanking this for DB changes because slot key is an integer.

[iansltx]

Closing this for now; will reopen when #23952 is merged.