Update secrets from 3.13.5 (RustPython#5991)

Author: ShaharNaveh

Lib/secrets.py

@@ -2,7 +2,7 @@
 managing secrets such as account authentication, tokens, and similar.
 
 See PEP 506 for more information.
-https://www.python.org/dev/peps/pep-0506/
+https://peps.python.org/pep-0506/
 
 """
 
@@ -13,7 +13,6 @@
 
 
 import base64
-import binascii
 
 from hmac import compare_digest
 from random import SystemRandom
@@ -56,7 +55,7 @@ def token_hex(nbytes=None):
     'f9bf78b9a18ce6d46a0cd2b0b86df9da'
 
     """
-    return binascii.hexlify(token_bytes(nbytes)).decode('ascii')
+    return token_bytes(nbytes).hex()
 
 def token_urlsafe(nbytes=None):
     """Return a random URL-safe text string, in Base64 encoding.