Improve sync e2e reliability

[loremattei]

Task/Issue URL: https://app.asana.com/0/1204165176092271/1209158713404042/f
Tech Design URL:
CC:

Description:
Sync e2e tests were failing randomly, especially during nightly runs, with an error that the server was not reachable.
After some investigation, I suspect the error is misleading and the actual issue is that the recovery code was invalid when used because the tests got queued or run slower than usual and the GHA timed out, causing the clean up job to run and invalidate the recovery code.

This PR:

• Changes the schedule of the test, to avoid it overlaps with the other e2e tests and gets queued.
• Increases the timeout (needed anyway by the switch to Robin which is much slower than Maestro Cloud)
• Switches to Maestro Action for better reliability of the connection between GHA and Robin (see Switch to using maestro action #3783 for more context about this)

Steps to test this PR:

1. Run the tests from this branch and validate it's green (you can also check a recent successful run here: https://github.com/duckduckgo/iOS/actions/runs/12828988947 )

Definition of Done (Internal Only):

• Does this PR satisfy our Definition of Done?

Copy Testing:

• Use of correct apostrophes in new copy, ie ’ rather than '

Orientation Testing:

• Portrait
• Landscape

Device Testing:

• iPhone SE (1st Gen)
• iPhone 8
• iPhone X
• iPhone 14 Pro
• iPad

OS Testing:

• iOS 15
• iOS 16
• iOS 17

Theme Testing:

• Light theme
• Dark theme

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Internal references:

Software Engineering Expectations
Technical Design Template

[samsymons]

LGTM, the rationale behind the changes makes sense, nice find!