Other Bug Fixes

• Fixes "skipped files" count calculation; the previous method was displaying an arbitrary number.

  Closes #10073

• Fixes a crash that occurred when pylint was run in a container on a host with cgroupsv2 and restrictions on CPU usage.

  Closes #10103

• Relaxed the requirements for isort so pylint can benefit from isort 6.

  Closes #10203