performance copilot gives 'day of year out of range' error when date is Jan 1st for a year.

Issue:
    When date is Jan 1st (doesn't matter the year), performance copilot would output the following error:

    'Value Error: day of year out of range'
How to Reproduce:
    1. Set system date to Jan 1st of the current year.
    2. Run any performance copilot python commands (for example, 'pcp-mpstat -P ALL -t 1 -s 2').
    3. Observe Issue.

Expected Behavior.
    Command runs successively without issues.

Actual Behavior.
    Command fails with above mentioned error.

Affected components:
    Latest versions of pcp and pcp-system-tools for RHEL 8 and 9.
    6.1.1-4.el9
    5.3.7-19.el8

Additional:
    Customer this listing was filed for has already filed a Pull Request for a fix with upstream that has been merged at the time of this listing being posted.

https://github.com/performancecopilot/pcp/pull/1890

As such, this bug listing is for backporting this fix into the Red Hat implementation.