[SSSD] [sssd PR#5546][synchronized] kcm: add GET_CRED_LIST for faster iteration

[pbrezina]

   URL: https://github.com/SSSD/sssd/pull/5546
Author: pbrezina
 Title: #5546: kcm: add GET_CRED_LIST for faster iteration
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/5546/head:pr5546
git checkout pr5546