Deprecate interface  Symfony\Component\OptionsResolver\ OptionsResolverInterface
minor #12749 Deprecate interface  Symfony\Component\OptionsResolver\OptionsResolverInterface (lbrunet)

This PR was merged into the 2.7 branch.

Discussion
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Deprecate interface  Symfony\Component\OptionsResolver\OptionsResolverInterface

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | [ #12743]
| License       | MIT

Deprecate interface  Symfony\Component\OptionsResolver\OptionsResolverInterface

Commits
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1b42e32 Deprecate interface  Symfony\Component\OptionsResolver\ OptionsResolverInterface