Update changelog

Author: ewoutp

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Changes from version 0.11.1 to master
 
+- Solved problem connection to agency when using TLS & authentication.
 - Changed TLS algorithm for `-ssl.auto-key` from RSA (2048 bits) to ECDSA (`P256` curve).
 - Changed default ECDSA curve used by `arangodb create tls ...` from `P521` to `P256`.
 - Log text showing the address the starter is listening on has been changed from "Listening on ..." to "ArangoDB Starter listening on ...".