minor #10412 [Docs] Added tip for using group sequence validations (4c0n)
minor #10412 [Docs] Added tip for using group sequence validations (4c0n)

This PR was merged into the 1.4 branch.

Discussion
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| Q               | A
| --------------- | -----
| Branch?         | 1.3
| Bug fix?        | no
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| License         | MIT

Adding a tip on what validation group to configure in `_sylius.yaml` when using group sequence validation.


Commits
-------

a8f2841f734128b24122aa52ddf11a1bde2d1b84 Added tip for using group sequence validations

loic425/Sylius,lchrusciel/Sylius,Sylius/Sylius,diimpp/Sylius,antonioperic/Sylius,Brille24/Sylius,Arminek/Sylius,itinance/Sylius,Arminek/Sylius,loic425/Sylius,loic425/Sylius,lchrusciel/Sylius,GSadee/Sylius,foobarflies/Sylius,diimpp/Sylius,GSadee/Sylius,SyliusBot/Sylius,itinance/Sylius,Arminek/Sylius,Zales0123/Sylius,pamil/Sylius,mbabker/Sylius,lchrusciel/Sylius,Zales0123/Sylius,foobarflies/Sylius,antonioperic/Sylius,pjedrzejewski/Sylius,kayue/Sylius,foobarflies/Sylius,kayue/Sylius,Brille24/Sylius,101medialab/Sylius,pjedrzejewski/Sylius,SyliusBot/Sylius,Brille24/Sylius,kayue/Sylius,Zales0123/Sylius,101medialab/Sylius,GSadee/Sylius,itinance/Sylius,antonioperic/Sylius,Brille24/Sylius,itinance/Sylius,Sylius/Sylius,pamil/Sylius,mbabker/Sylius,pamil/Sylius,diimpp/Sylius,SyliusBot/Sylius,Sylius/Sylius,mbabker/Sylius,pjedrzejewski/Sylius,pjedrzejewski/Sylius,mbabker/Sylius,101medialab/Sylius,foobarflies/Sylius