Update changelog for 0.89+dfsg-2 release

debian/changelog

+astrometry.net (0.89+dfsg-2) unstable; urgency=medium
+
+  [ Jenkins ]
+  * Set upstream metadata fields: Bug-Submit, Repository, Repository-Browse.
+  * Remove obsolete field Name from debian/upstream/metadata
+
+  [ Ole Streicher ]
+  * Switch build depends on libnetpbm10-dev to libnetpbm-dev (Closes: #1003165)
+  * Push Standards-Version to 4.6.1. No changes needed
+  * Fix copyright for kdtree files (Closes: #983306)
+
+ -- Ole Streicher <olebole@debian.org>  Sun, 31 Jul 2022 16:12:38 +0200
+
 astrometry.net (0.89+dfsg-1) unstable; urgency=medium
 
   * New upstream version 0.89+dfsg