Bump wicked_pdf from 1.4.0 to 2.1.0
Bump wicked_pdf from 1.4.0 to 2.1.0

Bumps [wicked_pdf](https://github.com/mileszs/wicked_pdf) from 1.4.0 to 2.1.0.
- [Release notes](https://github.com/mileszs/wicked_pdf/releases)
- [Changelog](https://github.com/mileszs/wicked_pdf/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mileszs/wicked_pdf/compare/1.4.0...2.1.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
lin-d-hop/openfoodnetwork,mkllnk/openfoodnetwork,mkllnk/openfoodnetwork,lin-d-hop/openfoodnetwork,Matt-Yorkley/openfoodnetwork,mkllnk/openfoodnetwork,Matt-Yorkley/openfoodnetwork,mkllnk/openfoodnetwork,Matt-Yorkley/openfoodnetwork,lin-d-hop/openfoodnetwork,openfoodfoundation/openfoodnetwork,openfoodfoundation/openfoodnetwork,Matt-Yorkley/openfoodnetwork,openfoodfoundation/openfoodnetwork,openfoodfoundation/openfoodnetwork,lin-d-hop/openfoodnetwork