Fix Deferred warnings

[xuwei-k]

[warn] -- [E092] Pattern Match Unchecked Warning: /home/runner/work/cats/cats/core/src/main/scala/cats/instances/order.scala:63:19 
[warn] 63 |              case Deferred(f) => loop(f)
[warn]    |                   ^
[warn]    |the type test for Deferred[A] cannot be checked at runtime because it's a local class
[warn]    |
[warn]    | longer explanation available when compiling with `-explain`
[warn] -- [E092] Pattern Match Unchecked Warning: /home/runner/work/cats/cats/core/src/main/scala/cats/instances/ordering.scala:59:19 
[warn] 59 |              case Deferred(f) => loop(f)
[warn]    |                   ^
[warn]    |the type test for Deferred[A] cannot be checked at runtime because it's a local class
[warn]    |
[warn]    | longer explanation available when compiling with `-explain`
[warn] -- [E092] Pattern Match Unchecked Warning: /home/runner/work/cats/cats/core/src/main/scala/cats/instances/partialOrder.scala:57:19 
[warn] 57 |              case Deferred(f) => loop(f)
[warn]    |                   ^
[warn]    |the type test for Deferred[A] cannot be checked at runtime because it's a local class
[warn]    |
[warn]    | longer explanation available when compiling with `-explain`
[warn] -- [E092] Pattern Match Unchecked Warning: /home/runner/work/cats/cats/core/src/main/scala/cats/instances/partialOrdering.scala:67:19 
[warn] 67 |              case Deferred(f) => loop(f)
[warn]    |                   ^
[warn]    |the type test for Deferred[A] cannot be checked at runtime because it's a local class
[warn]    |
[warn]    | longer explanation available when compiling with `-explain`
[warn] -- [E092] Pattern Match Unchecked Warning: /home/runner/work/cats/cats/core/src/main/scala/cats/instances/show.scala:38:19 
[warn] 38 |              case Deferred(f) => loop(f)
[warn]    |                   ^
[warn]    |the type test for Deferred[A] cannot be checked at runtime because it's a local class
[warn]    |
[warn]    | longer explanation available when compiling with `-explain`