i18n: Translatable "Score" label

[Adri1]

What are the changes the user will see?

Translated "Score:" label in battle UI

Why am I making these changes?

To have it translatable

What are the changes from a developer perspective?

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Screenshots/Videos

Before (French)

After (French)

How to test the changes?

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Checklist

• The PR content is correctly formatted:
  • I'm using beta as my base branch
  • The current branch is not named beta, main or the name of another long-lived feature branch
  • I have provided a clear explanation of the changes within the PR description
  • The PR title matches the Conventional Commits format (as described in CONTRIBUTING.md)
• The PR is self-contained and cannot be split into smaller PRs
• There is no overlap with another open PR
• The PR has been confirmed to work correctly:
  • I have tested the changes manually
  • The full automated test suite still passes (use pnpm test:silent to test locally)
  • I have created new automated tests (pnpm test:create) or updated existing tests related to the PR's changes if necessary
• I have provided screenshots/videos of the changes (if applicable)
  • I have made sure that any UI changes work for both the default and legacy UI themes (if applicable)

Are there any localization additions or changes? If so:

• I have created an associated PR on the locales repository
  • If so, include a link to the PR here: Score entry addition pokerogue-locales#287
• I have contacted the Translation Team on Discord for proofreading/translation

[Bertie690]

@DayKev Requesting bypass merge