Fix GHC 9.2 build
Close #1513. GHC 9.2 needs explicit kind signature here, I don't really understand why. This kind signature is correct and not too restritive, because `HasLink` is technically defined `class HasLink endpoint` which means that it is infered as `k -> Constraint`. In the instance signature, we have `HasLink ((arr :: a -> b) :> sub)`, so here the `k` is the same kind as the one of `:>` which is not polykinded.
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@ -649,7 +649,7 @@ simpleToLink _ toA _ = toLink toA (Proxy :: Proxy sub)
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-- Erroring instance for 'HasLink' when a combinator is not fully applied
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-- Erroring instance for 'HasLink' when a combinator is not fully applied
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instance TypeError (PartialApplication HasLink arr) => HasLink ((arr :: a -> b) :> sub)
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instance TypeError (PartialApplication HasLink arr) => HasLink ((arr :: a -> b) :> sub)
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where
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where
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type MkLink (arr :> sub) _ = TypeError (PartialApplication HasLink arr)
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type MkLink (arr :> sub) _ = TypeError (PartialApplication (HasLink :: * -> Constraint) arr)
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toLink = error "unreachable"
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toLink = error "unreachable"
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-- Erroring instances for 'HasLink' for unknown API combinators
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-- Erroring instances for 'HasLink' for unknown API combinators
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