Bumps [tesseract.js](https://github.com/naptha/tesseract.js) from 2.0.0-alpha.13 to 2.0.0-alpha.15.
- [Release notes](https://github.com/naptha/tesseract.js/releases)
- [Commits](https://github.com/naptha/tesseract.js/compare/v2.0.0-alpha.13...v2.0.0-alpha.15

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>