ember-intl integration

[zamoore]

📌 Summary

If merged, this PR enables ember-intl for the components package and translates some of the bare strings. It also sets up linting rules preventing the usage of bare strings.

Details

• Adds ember-intl dependency to both the showcase and components workspaces.
• Translated all text nodes in the components dir in a single en-us.yaml file
• Translated any of the following attributes or HTML properties found in components
  • 'aria-label'
  • 'aria-description'
  • 'title'
  • 'placeholder'
  • 'alt'
  • '@text'
• Added linting rule to components no-bare-strings which prevents untranslated text nodes

Jira ticket: HDS-4856

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👀 Component checklist

• Percy was checked for any visual regression
• A changelog entry was added via Changesets if needed (see templates here)

💬 Please consider using conventional comments when reviewing this PR.

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Name	Status	Preview	Updated (UTC)
hds-showcase	✅ Ready (Inspect)	Visit Preview	May 29, 2025 10:03pm
hds-website	✅ Ready (Inspect)	Visit Preview	May 29, 2025 10:03pm