Update CHANGELOG for 3.11.1

Author: kevinAlbs

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Changes prior to 3.9.0 are documented as [release notes on GitHub](https://github.com/mongodb/mongo-cxx-driver/releases).
 
-## 3.11.1 [Unreleased]
+## 3.11.1
 
 ### Fixed
 

etc/apidocmenu.md

@@ -8,8 +8,9 @@ Currently, no drivers guarantee API or ABI stability.
 | Family/version       | Stability | Development        | Purpose                            |
 | -------------------- | --------- | ------------------ | ---------------------------------- |
 | (repo master branch) | Unstable  | Active development | New feature development            |
-| mongocxx 3.10.x      | Stable    | Bug fixes only     | Current stable C++ driver release  |
-| mongocxx 3.9.x       | Stable    | None               | Previous stable C++ driver release  |
+| mongocxx 3.11.x      | Stable    | Bug fixes only     | Previous stable C++ driver release |
+| mongocxx 3.10.x      | Stable    | None.              | Previous stable C++ driver release |
+| mongocxx 3.9.x       | Stable    | None               | Previous stable C++ driver release |
 | mongocxx 3.8.x       | Stable    | None               | Previous stable C++ driver release |
 | mongocxx 3.7.x       | Stable    | None               | Previous stable C++ driver release |
 | mongocxx 3.6.x       | Stable    | None               | Previous stable C++ driver release |
@@ -24,6 +25,8 @@ Currently, no drivers guarantee API or ABI stability.
 
 | mongocxx                             |
 | ------------------------------------ |
+| [mongocxx-3.11.1](../mongocxx-3.11.1)|
+| [mongocxx-3.11.0](../mongocxx-3.11.0)|
 | [mongocxx-3.10.2](../mongocxx-3.10.2)|
 | [mongocxx-3.10.1](../mongocxx-3.10.1)|
 | [mongocxx-3.10.0](../mongocxx-3.10.0)|