CHANGELOG: Prepare v0.14.0 (#52)

Author: mxinden

CHANGELOG.md

@@ -1,4 +1,4 @@
-# 0.14.0 [unreleased]
+# 0.14.0 [2022-02-02]
 
 - Add support for TLS protocol (see [PR 48]).
 
@@ -10,7 +10,6 @@
 [PR 50]: https://github.com/multiformats/rust-multiaddr/pull/50
 [PR 50]: https://github.com/multiformats/rust-multiaddr/pull/51
 
-
 # 0.13.0 [2021-07-08]
 
 - Update to multihash v0.14.0 (see [PR 44]).