python3Packages.pypsrp: propagate kerberos deps from pyspnego

This is more faithful to the project's pyproject.toml, which specifies pyspnego[kerberos] as the dependencies for kerberos.

pkgs/development/python-modules/pypsrp/default.nix

@@ -4,10 +4,8 @@
   buildPythonPackage,
   cryptography,
   fetchFromGitHub,
-  gssapi,
   httpcore,
   httpx,
-  krb5,
   psrpcore,
   psutil,
   pyspnego,
@@ -52,11 +50,7 @@ buildPythonPackage rec {
 
   passthru.optional-dependencies = {
     credssp = [ requests-credssp ];
-    kerberos = [
-      # pyspnego[kerberos] will have those two dependencies
-      gssapi
-      krb5
-    ];
+    kerberos = pyspnego.optional-dependencies.kerberos;
     named_pipe = [ psutil ];
     ssh = [ asyncssh ];
   };