Bump jekyll-toc from 0.12.2 to 0.13.1
Bump jekyll-toc from 0.12.2 to 0.13.1

Bumps [jekyll-toc](https://github.com/toshimaru/jekyll-toc) from 0.12.2 to 0.13.1.
- [Release notes](https://github.com/toshimaru/jekyll-toc/releases)
- [Commits](https://github.com/toshimaru/jekyll-toc/compare/v0.12.2...v0.13.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
italia/developers.italia.it,italia/developers.italia.it,italia/developers.italia.it,italia/developers.italia.it