Update changelog

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

CHANGES.txt

@@ -1,3 +1,27 @@
+stratisd 3.6.0 (UNRELEASED)
+===========================
+Recommended Rust toolchain version: 1.68.0
+Lowest supported Rust toolchain version: 1.66.1
+
+Recommended development platform for Python development: Fedora 38
+
+- Increase D-Bus revision number to 6:
+  https://github.com/stratis-storage/stratisd/pull/3295
+
+- Change StopPool for partially constructed pools:
+  https://github.com/stratis-storage/stratisd/pull/3297
+
+- Patch Cargo.toml to avoid loopdev FTBFS:
+  https://github.com/stratis-storage/stratisd/pull/3332
+
+- Increase rpassword dependency lower bound to 7.2.0:
+  https://github.com/stratis-storage/stratisd/pull/3335
+
+- Tidies and Maintenance:
+  https://github.com/stratis-storage/stratisd/pull/3334
+  https://github.com/stratis-storage/stratisd/pull/3333
+
+
 stratisd 3.5.4
 ==============
 Recommended Rust toolchain version: 1.68.0