Skip checking files under .../directory-hash/ dir

[pirat89]

• The main reason for this change is to improve performance and reduce flood of logs for the content that does not seem to be important to check for the upgrade process.

The directory has been relatively recently added to ca-certificates rpm on EL 9+ systems mostly to improve performance of OpenSSL and the content does not seem to be important for the IPU process. The high number of files takes too much time to evaluate and causes flood of logs that are not important.

This is updated solution that we drop originally: 60f500e59bb92