fix: export DictKey type in jwk

Author: lepture

src/joserfc/jwk.py

@@ -7,7 +7,7 @@
     Key,
     KeySetSerialization,
 )
-from .rfc7517.types import AnyKey, KeyParameters
+from .rfc7517.types import AnyKey, DictKey, KeyParameters
 from .rfc7518.oct_key import OctKey as OctKey
 from .rfc7518.rsa_key import RSAKey as RSAKey
 from .rfc7518.ec_key import ECKey as ECKey
@@ -19,6 +19,7 @@
 __all__ = [
     "JWKRegistry",
     "Key",
+    "DictKey",
     "KeyCallable",
     "KeyFlexible",
     "KeySetSerialization",