fix(metadata): match restricted words using word boundaries

[DYNOSuprovo]

Why

Fixes #4501

When running eas metadata:push, infoRestrictedWords flagged any word that had "beta" as a substring (such as Danish "Betal" / "betaling", Dutch "betalen", German "Alphabet", English "diabetes", etc.) because it used sanitized.includes(word). In non-interactive CI environments, this prevented publishing legitimate non-English and English metadata to Apple.

How

Updated infoRestrictedWords to compile restricted words into case-insensitive regular expressions with word boundaries (\b${word}\b). This ensures standalone references to restricted terms like "beta", "(beta)", "App Beta", or "v1.0-beta" are flagged according to Apple guidelines, while words merely containing the substring (e.g. "Betal", "Alphabet", "diabetes") are permitted.

Test Plan

• Added unit tests in packages/eas-cli/src/metadata/apple/rules/__tests__/infoRestrictedWords.test.ts covering:
  • Empty or missing apple.info returns null.
  • Allowed metadata without restricted words passes validation.
  • Words containing "beta" as substring (e.g. "Betal", "betalen", "Alphabet", "Diabetes") are not flagged.
  • Restricted word "beta" in title, subtitle, description, and keywords is correctly flagged with severity 1.
  • Case-insensitive ("BETA") and punctuation-delimited ("(beta)", "v2.0-beta") instances are correctly flagged.
• Ran tests with Jest:

  yarn --cwd packages/eas-cli test src/metadata/apple/rules

  Output:

  PASS src/metadata/apple/rules/__tests__/infoRestrictedWords.test.ts
    infoRestrictedWords
      √ returns null when apple.info is missing or empty (5 ms)
      √ allows text without restricted words (2 ms)
      √ does not flag words that contain "beta" as a substring (e.g. Danish "Betal", "Alphabet")
      √ flags restricted word "beta" in title, subtitle, description, and keywords (4 ms)
      √ flags case-insensitive and punctuation-delimited instances of "beta" (1 ms)
  
  Test Suites: 1 passed, 1 total
  Tests:       5 passed, 5 total
  

[github-actions]

Subscribed to pull request

File Patterns	Mentions
packages/eas-cli/**	@douglowder
packages/eas-cli/src/metadata/**	@byCedric

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[douglowder]

eas-cli now uses changesets for changelogs (#4580). The required "Check for a changeset" check fails on PRs that edit CHANGELOG.md.

To update this PR:

1. Revert the changes to CHANGELOG.md.
2. Run yarn changeset, select the changed packages and the bump type, and write the summary.
3. Commit the new file in .changeset/.

The release adds the PR link and the author to the entry. If this PR needs no changelog entry, revert the CHANGELOG.md changes and add the "no changelog" label.

[DYNOSuprovo]

@douglowder Thank you for the guidance! I have synchronized the branch with \upstream/main, reverted the direct modifications to \CHANGELOG.md, and added a patch changeset for \eas-cli\ under .changeset/restricted-words-word-boundaries.md. All set for CI checks and review.