Switch to the new utils.deprecation spelling (#1140)

* Switch to the new utils.deprecation spelling

The new spelling was introduced in
pyca/cryptography#6923 and is more friendly to
type checkers.

Version-wise, that PR appears to be in cryptography 37.0.0, which is now
beyond the minimum version for pyOpenSSL.

* reformat

Author: davidben

src/OpenSSL/crypto.py

@@ -3221,14 +3221,15 @@ def load_pkcs7_data(type: int, buffer: Union[str, bytes]) -> PKCS7:
     return pypkcs7
 
 
-load_pkcs7_data = utils.deprecated(
+utils.deprecated(
     load_pkcs7_data,
     __name__,
     (
         "PKCS#7 support in pyOpenSSL is deprecated. You should use the APIs "
         "in cryptography."
     ),
     DeprecationWarning,
+    name="load_pkcs7_data",
 )
 
 
@@ -3319,12 +3320,13 @@ def load_pkcs12(
     return pkcs12
 
 
-load_pkcs12 = utils.deprecated(
+utils.deprecated(
     load_pkcs12,
     __name__,
     (
         "PKCS#12 support in pyOpenSSL is deprecated. You should use the APIs "
         "in cryptography."
     ),
     DeprecationWarning,
+    name="load_pkcs12",
 )