Add changes for edge-20.12.3
## edge-20.12.3
This edge release is functionally the same as `edge-20.12.2`. It fixes an issue
that prevented the release build from occurring.
# Changes
+## edge-20.12.3
+
+This edge release is functionally the same as `edge-20.12.2`. It fixes an issue
+that prevented the release build from occurring.
+
## edge-20.12.2
* Fixed an issue where the `proxy-injector` and `sp-validator` did not refresh
