Prepare release 4.0.0.

Author: NickNaso

CHANGELOG.md

@@ -1,5 +1,29 @@
 # node-addon-api Changelog
 
+## 2021-06-15 Version 4.0.0, @NickNaso
+
+### Notable changes:
+
+#### API
+
+- Fixed a crashing issue in `Napi::Error::ThrowAsJavaScriptException` 
+introducing the preprocessor directive `NODE_API_SWALLOW_UNTHROWABLE_EXCEPTIONS`.
+- Fixed compilation problem for GCC 11 and C++20. 
+
+#### TEST
+
+- Added test for function reference call and contructor.
+
+### Documentation
+
+- Updated the oldest Node.js version supported from `10.x` to `12.x`.
+
+### Commits
+
+* [[`028107f686`](https://github.com/nodejs/node-addon-api/commit/028107f686)] - **src**: fix Error::ThrowAsJavaScriptException crash (rudolftam) [#975](https://github.com/nodejs/node-addon-api/pull/975)
+* [[`fed13534c5`](https://github.com/nodejs/node-addon-api/commit/fed13534c5)] - **src**: fix gcc-11 c++20 compilation (Kevin Eady) [#1009](https://github.com/nodejs/node-addon-api/pull/1009)
+* [[`b75afc4d29`](https://github.com/nodejs/node-addon-api/commit/b75afc4d29)] - **test**: function reference call & construct (legendecas) [#1005](https://github.com/nodejs/node-addon-api/pull/1005)
+
 ## 2021-05-28 Version 3.2.1, @NickNaso
 
 ### Notable changes:

README.md

@@ -70,7 +70,7 @@ and node-addon-api.
 - **[Contributors](#contributors)**
 - **[License](#license)**
 
-## **Current version: 3.2.1**
+## **Current version: 4.0.0**
 
 (See [CHANGELOG.md](CHANGELOG.md) for complete Changelog)
 
@@ -83,7 +83,7 @@ This allows addons built with it to run with Node.js versions which support the
 **However** the node-addon-api support model is to support only the active LTS Node.js versions. This means that
 every year there will be a new major which drops support for the Node.js LTS version which has gone out of service.
 
-The oldest Node.js version supported by the current version of node-addon-api is Node.js 10.x.
+The oldest Node.js version supported by the current version of node-addon-api is Node.js 12.x.
 
 ## Setup
   - [Installation and usage](doc/setup.md)

package.json

@@ -363,6 +363,6 @@
     "lint:fix": "node tools/clang-format --fix"
   },
   "pre-commit": "lint",
-  "version": "3.2.1",
+  "version": "4.0.0",
   "support": true
 }