Fix cryptography WithSerialization aliases

Align with changes in pyca/cryptography@6a8c0b5

Author: hasier

stubs/cryptography/cryptography/hazmat/primitives/asymmetric/dsa.pyi

@@ -34,15 +34,15 @@ class DSAPrivateKey(metaclass=ABCMeta):
     def public_key(self) -> DSAPublicKey: ...
     @abstractmethod
     def sign(self, data: bytes, algorithm: HashAlgorithm | Prehashed) -> bytes: ...
-
-class DSAPrivateKeyWithSerialization(DSAPrivateKey):
     @abstractmethod
     def private_bytes(
         self, encoding: Encoding, format: PrivateFormat, encryption_algorithm: KeySerializationEncryption
     ) -> bytes: ...
     @abstractmethod
     def private_numbers(self) -> DSAPrivateNumbers: ...
 
+DSAPrivateKeyWithSerialization = DSAPrivateKey
+
 class DSAPrivateNumbers:
     @property
     def x(self) -> int: ...

stubs/cryptography/cryptography/hazmat/primitives/asymmetric/ec.pyi

@@ -127,15 +127,15 @@ class EllipticCurvePrivateKey(metaclass=ABCMeta):
     def public_key(self) -> EllipticCurvePublicKey: ...
     @abstractmethod
     def sign(self, data: bytes, signature_algorithm: EllipticCurveSignatureAlgorithm) -> bytes: ...
-
-class EllipticCurvePrivateKeyWithSerialization(EllipticCurvePrivateKey):
     @abstractmethod
     def private_bytes(
         self, encoding: Encoding, format: PrivateFormat, encryption_algorithm: KeySerializationEncryption
     ) -> bytes: ...
     @abstractmethod
     def private_numbers(self) -> EllipticCurvePrivateNumbers: ...
 
+EllipticCurvePrivateKeyWithSerialization = EllipticCurvePrivateKey
+
 class EllipticCurvePrivateNumbers:
     @property
     def private_value(self) -> int: ...

stubs/cryptography/cryptography/hazmat/primitives/asymmetric/rsa.pyi

@@ -17,15 +17,15 @@ class RSAPrivateKey(metaclass=ABCMeta):
     def public_key(self) -> RSAPublicKey: ...
     @abstractmethod
     def sign(self, data: bytes, padding: AsymmetricPadding, algorithm: HashAlgorithm | Prehashed) -> bytes: ...
-
-class RSAPrivateKeyWithSerialization(RSAPrivateKey):
     @abstractmethod
     def private_bytes(
         self, encoding: Encoding, format: PrivateFormat, encryption_algorithm: KeySerializationEncryption
     ) -> bytes: ...
     @abstractmethod
     def private_numbers(self) -> RSAPrivateNumbers: ...
 
+RSAPrivateKeyWithSerialization = RSAPrivateKey
+
 class RSAPublicKey(metaclass=ABCMeta):
     @property
     @abstractmethod