Change logs for pexpect source package in Nile V2.0

pexpect (4.9-ok1) nile; urgency=medium

  * Build for openKylin.

 -- openKylinBot <email address hidden>  Tue, 07 May 2024 15:43:13 +0800

pexpect (4.8.0-ok2) yangtze; urgency=medium

  * Apply patchs.

 -- sufang <email address hidden>  Mon, 06 Feb 2023 16:45:48 +0800