Don't validate subject claim for compatibility with PyJWT>=2.10

rest_framework_simplejwt/backends.py

@@ -146,6 +146,7 @@ def decode(self, token: Token, verify: bool = True) -> Dict[str, Any]:
                 options={
                     "verify_aud": self.audience is not None,
                     "verify_signature": verify,
+                    "verify_sub": False,
                 },
             )
         except InvalidAlgorithmError as ex: