Preparing for release, 0.12.3.

Author: dblock

CHANGELOG.md

@@ -1,9 +1,8 @@
 ### Changelog
 
-#### 0.12.3 (Next)
+#### 0.12.3 (2020/11/14)
 
 * [#123](https://github.com/slack-ruby/slack-ruby-bot-server/pull/123): Reactivate a team that was disabled from Slack - [@dblock](https://github.com/dblock).
-* Your contribution here.
 * [#127](https://github.com/slack-ruby/slack-ruby-bot-server/pull/127): Added a Rails bot example link - [@CrazyOptimist](https://github.com/CrazyOptimist).
 
 #### 0.12.2 (2020/7/26)

README.md

@@ -40,7 +40,7 @@ A library that contains a [Grape](http://github.com/ruby-grape/grape) API servin
 
 ### Stable Release
 
-You're reading the documentation for the **next** release of slack-ruby-bot-server. Please see the documentation for the [last stable release, v0.12.2](https://github.com/slack-ruby/slack-ruby-bot-server/blob/v0.12.2/README.md) unless you're integrating with HEAD. See [UPGRADING](UPGRADING.md) when upgrading from an older version.
+You're reading the documentation for the **stable** release of slack-ruby-bot-server, 0.12.3. See [UPGRADING](UPGRADING.md) when upgrading from an older version.
 
 ### Try Me