docs: add bugfix notes for #7690 #7397 #7684 #7683 to changelog

Author: shoenig

CHANGELOG.md

@@ -6,6 +6,9 @@ BUG FIXES:
  * agent: Fixed a bug where http server logs did not honor json log formatting, and reduced http server logging level to Trace [[GH-7748](https://github.com/hashicorp/nomad/issues/7748)]
  * driver/docker: Fixed a bug where retrying failed docker creation may in rare cases trigger a panic [[GH-7749](https://github.com/hashicorp/nomad/issues/7749)]
  * vault: Upgrade http2 library to fix Vault API calls that fail with `http2: no cached connection was available` [[GH-7673](https://github.com/hashicorp/nomad/issues/7673)]
+ * connect: Fixed a bug where some connect proxy fields would be dropped from 'job inspect' output [[GH-7397](https://github.com/hashicorp/nomad/issues/7397)]
+ * connect: Fixed a bug where an absent connect sidecar_service stanza would trigger panic [[GH-7683](https://github.com/hashicorp/nomad/pull/7683)]
+ * connect: Fixed bugs where some connect parameters would be ignored [[GH-7690](https://github.com/hashicorp/nomad/pull/7690)] [[GH-7684](https://github.com/hashicorp/nomad/pull/7684)]
 
 ## 0.11.0 (April 8, 2020)