What does this PR do?

Updates translations across 36 locales with reviews from the @lingodotdev team and enables parallel processing in the i18n workflow for faster translation syncs. Changes:

• Added/updated translations in 36 locale files (ar, az, bg, bn, ca, cs, da, de, el, es, es-419, et, eu, fi, fr, he, hu, it, ja, km, ko, nl, no, pl, pt, pt-BR, ro, ru, sk-SK, sr, sv, tr, uk, vi, zh-CN, zh-TW)
• Updated i18n.lock to track translation state
• Enabled parallel: true in the LingoDotDev GitHub Action for concurrent translation processing

Visual Demo (For contributors especially)

N/A - This PR contains translation string updates and CI workflow configuration. No visual UI changes.

Video Demo (if applicable):

N/A

Image Demo (if applicable):

N/A

Mandatory Tasks (DO NOT REMOVE)

• I have self-reviewed the code (A decent size PR without self-review might be rejected).

• I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. If N/A, write N/A here and check the checkbox. N/A

• I confirm automated tests are in place that prove my fix is effective or that my feature works. N/A - translation updates don't require additional tests

How should this be tested?

• Verify the i18n workflow runs successfully with the new parallel: true setting
• Spot-check a few locale files to confirm translations are valid JSON and contain expected keys
• Run the app with different locale settings to verify translations load correctly

No special environment variables or test data required.

Checklist