Change logs for fmtlib source package in Nile V2.0

fmtlib (9.1.0+ds1-ok2) nile; urgency=medium

  * Backport Doc build with Sphinx 7.

 -- liwenjun <email address hidden>  Sat, 12 Oct 2024 17:24:00 +0800

fmtlib (9.1.0+ds1-ok1) nile; urgency=medium

  * Build for openKylin.

 -- openKylinBot <email address hidden>  Fri, 24 May 2024 17:31:38 +0800