Change logs for pyyaml source package in Yangtze V1.0

pyyaml (5.3.1-ok2) yangtze; urgency=medium

  * Update version.

 -- zhouganqing <email address hidden>  Tue, 16 Aug 2022 09:19:09 +0800

pyyaml (5.3.1-ok1) yangtze; urgency=medium

  * Build for openKylin.

 -- openKylinBot <email address hidden>  Mon, 25 Apr 2022 22:03:04 +0800