Update CHANGELOG with recent changes

Author: bbatsov

CHANGELOG.adoc

@@ -2,6 +2,12 @@
 
 == master (unreleased)
 
+* Update all dependencies to current versions.
+* *(Breaking)* Drop support for Clojure 1.7-1.9. Minimum is now Clojure 1.10.
+* *(Breaking)* Require nREPL 1.0+.
+* *(Breaking)* Require Java 17+ (Ring 1.15 uses Jetty 12).
+* Fix client transport to keywordize JSON response keys for compatibility with nREPL 1.x.
+
 == 0.2.1 (2019-08-15)
 
 * https://github.com/nrepl/drawbridge/pull/38[#38]: Support additional HTTP headers from nREPL config.