Latest_API: Update to point to Asterisk 22.

Also fix Asterisk 22's "What's New" page to link to an existing file.

Author: seanbright

docs/Asterisk_22_Documentation/WhatsNew.md

@@ -2,4 +2,4 @@
 title: New in 22
 ---
 # What's New in Asterisk 22
-For a complete list of changes and new things in Asterisk 22 please see the [CHANGES document](https://raw.githubusercontent.com/asterisk/asterisk/22/CHANGES) included with Asterisk 22.
+For a complete list of changes and new things in Asterisk 22 please see the [ChangeLog-22.0.0.md document](https://raw.githubusercontent.com/asterisk/asterisk/releases/22/ChangeLogs/ChangeLog-22.0.0.md) included with Asterisk 22.

docs/Latest_API

@@ -1 +1 @@
-Asterisk_21_Documentation
+Asterisk_22_Documentation