Description of problem: ipa-healthcheck --source ipahealthcheck.ipa.files fails with error "getgrnam(): name not found: 'systemd-resolve' "

Version-Release number of selected component (if applicable):
ipa-healthcheck-0.12-2.el9

How reproducible:Always


Steps to Reproduce:
1. ['ipa-healthcheck', '--source', 'ipahealthcheck.ipa.files', '--check', 'IPAFileCheck', '--output-type', 'json', '--failures-only']

Actual results:
{
"source": "ipahealthcheck.ipa.files",
"check": "IPAFileCheck",
"result": "CRITICAL",
"uuid": "2a079793-b6d4-44d5-8bcb-d2d9e1c6e88c",
"when": "20230626110412Z",
"duration": "0.054574",
"kw": {
  "exception": "\"getpwnam(): name not found: 'systemd-resolve'\"",
  "traceback": "Traceback (most recent call last):\n  File \"/usr/lib/python3.9/site-packages/ipahealthcheck/core/core.py\", line 56, in run_plugin\n    for result in plugin.check():\n  File \"/usr/lib/python3.9/site-packages/ipahealthcheck/core/plugin.py\", line 18, in wrapper\n    for result in f(*args, **kwds):\n  File \"/usr/lib/python3.9/site-packages/ipahealthcheck/core/files.py\", line 80, in check\n    fowner = pwd.getpwnam(o)\nKeyError: \"getpwnam(): name not found: 'systemd-resolve'\"\n"
}

Expected results:
Fix the traceback.

Additional info: