Update changelog

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

CHANGES.txt

@@ -1,13 +1,24 @@
-libcryptsetup-rs 0.6.2 (UNRELEASED)
-===================================
-Recommended Rust toolchain version: 1.68.0
+libcryptsetup-rs 0.7.0
+======================
+Recommended Rust toolchain version: 1.69.0
 Lowest supported Rust toolchain version: 1.66.1
 Recommended development environment: Fedora 37
 
+- Fix passphrase parameter:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/282
+
+- Add some flags introduced in newer libcryptsetup versions:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/281
+
 - Increase libc dependency lower bound to 0.2.139:
   https://github.com/stratis-storage/libcryptsetup-rs/pull/283
 
+- Increase base64 dependency lower bound to 0.21.0:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/284
+
 - Tidies and Maintenance:
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/286
+  https://github.com/stratis-storage/libcryptsetup-rs/pull/285
   https://github.com/stratis-storage/libcryptsetup-rs/pull/280
   https://github.com/stratis-storage/libcryptsetup-rs/pull/279