fix: Resolves captions sizing issue when minified (v7)

[taylor5892]

Resolves captions sizing issue when minified #8442

Description

This bug discussed and confirmed. A fix has been released shortly for videojs8 but verison 7 still haven't fixed. #8370

Specific Changes proposed

Same fix applied at #8442

Requirements Checklist

• Feature implemented / Bug fixed
• If necessary, more likely in a feature request than a bug fix
  • Change has been verified in an actual browser (Chrome, Firefox, IE)
  • Unit Tests updated or fixed
  • Docs/guides updated
  • Example created (starter template on JSBin)
  • Has no DOM changes which impact accessiblilty or trigger warnings (e.g. Chrome issues tab)
  • Has no changes to JSDoc which cause npm run docs:api to error
• Reviewed by Two Core Contributors

[welcome]

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[mister-ben]

Codecov upload fails because of changes in codecov which have been addressed in v8, but we know this won't affect coverage.

[welcome]

Congrats on merging your first pull request! 🎉🎉🎉