Add historical 0.16.x change log entries

Author: Ericson2314

ChangeLog.md

@@ -1,5 +1,18 @@
 ## Release History
 
+## 0.16.1 (October 28, 2022)
+
+This release only fixes the incorrect reported version by the 0.16.0 release.
+
+## 0.16.0 (October 27, 2022)
+
+These notes are the remainder of 0.16.0 that was not backported to 0.15.3.
+Originally, 0.16.0 would have freshly contained all items from both releases.
+
+* Add `--print-os-abi` and `--set-os-abi` options by @dmsck in https://github.com/NixOS/patchelf/pull/381
+* Sync `.note.gnu.property` to `PT_GNU_PROPERTY` by @Bo98 in https://github.com/NixOS/patchelf/pull/414
+* Rework file shifting to avoid sections crossing multiple segments by @Bo98 in https://github.com/NixOS/patchelf/pull/415
+
 ## 0.15.3 (yet to be released)
 
 This is a backport release made from the simplest fixes from 0.16.0.