Bump scratch-l10n from 3.9.20200528181319 to 3.9.20200603151351

Bumps [scratch-l10n](https://github.com/LLK/scratch-l10n) from 3.9.20200528181319 to 3.9.20200603151351.
- [Release notes](https://github.com/LLK/scratch-l10n/releases)
- [Commits](https://github.com/LLK/scratch-l10n/compare/3.9.20200528181319...3.9.20200603151351

)

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