Bump xlsx from 0.13.2 to 0.17.0 in /src/WebApp

Bumps [xlsx](https://github.com/SheetJS/sheetjs) from 0.13.2 to 0.17.0.
- [Release notes](https://github.com/SheetJS/sheetjs/releases)
- [Changelog](https://github.com/SheetJS/sheetjs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/SheetJS/sheetjs/commits/v0.17.0)

---
updated-dependencies:
- dependency-name: xlsx
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>