Update changelog

Signed-off-by: mulhern <amulhern@redhat.com>

Author: mulkieran

CHANGES.txt

@@ -1,10 +1,24 @@
 devicemapper 0.33.6 (UNRELEASED)
 ================================
-Recommended Rust toolchain version: 1.70.0
-Lowest supported Rust toolchain version: 1.69.0
+Recommended Rust toolchain version: 1.71.1
+Lowest supported Rust toolchain version: 1.71.0
 Recommended development release: Fedora 38
 
+- Increase bitflags dependency lower bound to 2.3.3:
+  https://github.com/stratis-storage/devicemapper-rs/pull/855
+
+- Do not use default features for retry crate:
+  https://github.com/stratis-storage/devicemapper-rs/pull/869
+
+- Remove unused nix dependency specification in -sys directory:
+
 - Tidies and Maintenance:
+  https://github.com/stratis-storage/devicemapper-rs/pull/872
+  https://github.com/stratis-storage/devicemapper-rs/pull/871
+  https://github.com/stratis-storage/devicemapper-rs/pull/870
+  https://github.com/stratis-storage/devicemapper-rs/pull/868
+  https://github.com/stratis-storage/devicemapper-rs/pull/867
+  https://github.com/stratis-storage/devicemapper-rs/pull/866
   https://github.com/stratis-storage/devicemapper-rs/pull/864