[9.x] Adds the scoped method to the container contract

[tonysm]

Added

• Adds the scoped method to the container contract

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The method was added to Laravel 8 (here), but I guess this is a breaking change for the contract? Not sure.

[igorgaming]

Yes, its breaking changes.
Also, you probably also need to add the public function scopedIf($abstract, $concrete = null) method: its here