Add FXIOS-12540 [Telemetry Audit] Move toasts probes to their own toast.yaml file

[DEADLK]

:scroll: Tickets

Jira ticket Github issue

:bulb: Description

Move toasts related probes out of metrics.yaml to a separate file

:pencil: Checklist

• [x] I filled in the ticket numbers and a description of my work
• [x] I updated the PR name to follow our PR naming guidelines
• [x] I ensured unit tests pass and wrote tests for new code
• [x] If working on UI, I checked and implemented accessibility (Dynamic Text and VoiceOver)
• [x] If adding telemetry, I read the data stewardship requirements and will request a data review
• [x] If needed, I updated documentation and added comments to complex code
• [x] If needed, I added a backport comment (example @Mergifyio backport release/v120)

[mobiletest-ci-bot]

	Messages
:book:	Edited 4 files
:book:	Created 1 files

Generated by :no_entry_sign: Danger Swift against 2ba0798214df8521893f16588fc7e4337215093a

[ih-codes]

Hi @DEADLK! Looks good! I'm just double checking regarding the toast vs. toasts naming you brought up on the ticket before merging. 😃 But I'm pretty sure we're sticking with that because of some naming changes coming down later.

[ih-codes]

Ok, I have verified the direction so we will keep the proposed naming. Thanks! 👌