Update changelog

Signed-off-by: mulhern <[email protected]>

Author: mulkieran

CHANGES.txt

@@ -1,5 +1,17 @@
+libbkid-rs 0.2.1 (UNRELEASED)
+=============================
+Recommended Rust toolchain version: 1.60.0
+Lowest supported Rust toolchain version: 1.58.1
+Recommended development release: Fedora 35
+
+- Tidies and Maintenance:
+  https://github.com/stratis-storage/libblkid-rs/pull/80
+  https://github.com/stratis-storage/libblkid-rs/pull/79
+  https://github.com/stratis-storage/libblkid-rs/pull/77
+
+
 libblkid-rs 0.2.0
-==============================
+=================
 Recommended Rust toolchain version: 1.60.0
 Lowest supported Rust toolchain version: 1.54.0
 Recommended development release: Fedora 35