[tools] Update check-packages to check for bundle files (#21515)

# Why

This PR is intended to prevent outdated JS bundles in
`expo-dev-launcher` releases as happened on v2.1.4. Currently, there

[tools] Update check-packages to check for bundle files (#21515)

# Why

This PR is intended to prevent outdated JS bundles in
`expo-dev-launcher` releases as happened on v2.1.4. Currently, there is
no check to ensure that the bundles are up to date and we only check for
the build folder.

# How

This updates the `checkBuildUniformityAsync` function to be a bit more
generic and accept an arbitrary path or pattern of the files to match,
which can be used for both build folders and bundles.

# Test Plan

Modify some TS file inside `expo-dev-launcher, run `et check-packages
-a` or `et check-packages expo-dev-laucher`




# Checklist

<!--
Please check the appropriate items below if they apply to your diff.
This is required for changes to Expo modules.
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- [ ] Documentation is up to date to reflect these changes (eg:
https://docs.expo.dev and README.md).
- [ ] Conforms with the [Documentation Writing Style
Guide](https://github.com/expo/expo/blob/main/guides/Expo%20Documentation%20Writing%20Style%20Guide.md)
- [ ] This diff will work correctly for `expo prebuild` & EAS Build (eg:
updated a module plugin).

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