feat: Support expo-router focus events

[ntucker]

Fixes # .

Motivation

Solution

https://docs.expo.dev/router/reference/testing/

We may only need to add tests - it looks like they may unmount - be sure to investigate

[changeset-bot]

⚠️ No Changeset found

Latest commit: a617a58

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[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 98.40%. Comparing base (6e9d36b) to head (7d3cd45).
Report is 1 commits behind head on master.

❗ Current head 7d3cd45 differs from pull request most recent head a617a58. Consider uploading reports for the commit a617a58 to get more accurate results

Files	Patch %	Lines
packages/react/src/hooks/useFocusEffect.native.ts	80.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2999      +/-   ##
==========================================
- Coverage   98.49%   98.40%   -0.09%     
==========================================
  Files         122      122              
  Lines        2192     2198       +6     
  Branches      448      448              
==========================================
+ Hits         2159     2163       +4     
- Misses         21       23       +2     
  Partials       12       12              

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