entc/gen: add redundant any() to withHooks to make linters work (#3360)

See https://github.com/golang/go/issues/58633 for more info.

examples/o2o2types/ent/ent.go

@@ -511,7 +511,7 @@ func withHooks[V Value, M any, PM interface {
 		return exec(ctx)
 	}
 	var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
-		mutationT, ok := m.(PM)
+		mutationT, ok := any(m).(PM)
 		if !ok {
 			return nil, fmt.Errorf("unexpected mutation type %T", m)
 		}