fix: Bug in situations when euid is not in the host system

See following existing issues:

• https://github.com/giampaolo/psutil/issues/547 (solved by https://github.com/giampaolo/psutil/commit/4dfb4ad8ac0f312c68bf5cececcd3fdd694fcccb)
• https://thwack.solarwinds.com/product-forums/server-application-monitor-sam/f/forum/38260/unexpected-error-occurred-keyerror-getpwuid-uid-not-found
• https://github.com/ansible/ansible/issues/68007
• https://stackoverflow.com/questions/45464449/airflow-scheduler-gives-error-keyerror-getpwuid-uid-not-found