chore: Add package exports support for expo-modules-core

[EvanBacon]

Why

How

Test Plan

Checklist

• [ ] I added a changelog.md entry and rebuilt the package sources according to this short guide
• [ ] This diff will work correctly for npx expo prebuild & EAS Build (eg: updated a module plugin).
• [ ] Conforms with the Documentation Writing Style Guide

[github-actions[bot]]

Subscribed to pull request

File Patterns	Mentions
packages/expo-font/**	@alanjhughes, @vonovak
packages/expo-modules-core/**	@kudo, @lukmccall
packages/jest-expo/**	@brentvatne

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[expo-bot]

The Pull Request introduced fingerprint changes against the base commit: ef0b9ecf9645d3e93587d5ee5030dbfcbf735bbd

Fingerprint diff

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Generated by PR labeler 🤖

[Kudo]

looks good for the idea but ci is failed because more deep import for expo-modules-core: https://github.com/expo/expo/actions/runs/15521611360/job/43695563990?pr=37302

[expo-bot]

Hi there! 👋 I'm a bot whose goal is to ensure your contributions meet our guidelines.

I've found some issues in your pull request that should be addressed (click on them for more details) 👇

⚠️ Suggestion: Missing changelog entries

Your changes should be noted in the changelog, e.g.: - chore: Add package exports support for expo-modules-core ([#37302](https://github.com/expo/expo/pull/37302) by [@EvanBacon](https://github.com/EvanBacon)) Read Updating Changelogs guide and consider adding an appropriate entry to the following changelogs:

• packages/jest-expo/CHANGELOG.md

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Generated by ExpoBot 🤖 against 8a6cb54fdaf3918603d8ddf3748f220fd26547ef