Update changelog

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

Author: mulkieran

CHANGES.txt

@@ -1,4 +1,4 @@
-devicemapper 0.33.6 (UNRELEASED)
+devicemapper 0.34.0 (UNRELEASED)
 ================================
 Recommended Rust toolchain version: 1.71.1
 Lowest supported Rust toolchain version: 1.71.1
@@ -11,6 +11,7 @@ Recommended development release: Fedora 38
   https://github.com/stratis-storage/devicemapper-rs/pull/869
 
 - Remove unused nix dependency specification in -sys directory:
+  https://github.com/stratis-storage/devicemapper-rs/pull/872
 
 - Tidies and Maintenance:
   https://github.com/stratis-storage/devicemapper-rs/pull/878
@@ -19,7 +20,6 @@ Recommended development release: Fedora 38
   https://github.com/stratis-storage/devicemapper-rs/pull/875
   https://github.com/stratis-storage/devicemapper-rs/pull/874
   https://github.com/stratis-storage/devicemapper-rs/pull/873
-  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