Rchiodo/rel june update (#12356)

* Update security problems

* Update release version

* Update 3rd party notices

* Add font awesome back to third party notices

* ExP telemetry fixes (#12358)

* Use extension channel instead of VS Code channel
* Use publisher.name extension id (not just name)
* Update vscode-tas-client

Co-authored-by: Kim-Adeline Miguel <[email protected]>

Author: rchiodo

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## 2020.6.0-rc (15 June 2020)
+## 2020.6.0 (15 June 2020)
 
 ### Enhancements