Update readme

CHANGELOG

@@ -1,3 +1,7 @@
+v2.1.0:
+  date: 2022-04-03
+  changes:
+    - Updated dependencies
 v2.0.0:
   date: 2021-10-07
   changes:

README.md

@@ -1,4 +1,4 @@
-# grunt-contrib-concat v2.0.0 [![Build Status](https://github.com/gruntjs/grunt-contrib-concat/workflows/Tests/badge.svg)](https://github.com/gruntjs/grunt-contrib-concat/actions?workflow=Tests)
+# grunt-contrib-concat v2.1.0 [![Build Status](https://github.com/gruntjs/grunt-contrib-concat/workflows/Tests/badge.svg)](https://github.com/gruntjs/grunt-contrib-concat/actions?workflow=Tests)
 
 > Concatenate files.
 
@@ -280,6 +280,7 @@ grunt.initConfig({
 
 ## Release History
 
+ * 2022-04-03   v2.1.0   Updated dependencies
  * 2021-10-07   v2.0.0   Update dependencies Requires node.js v12+
  * 2016-04-20   v1.0.1   Fix for concatenating multiple source map files.
  * 2016-02-20   v1.0.0   Update source-map to 0.5.3. Tag Grunt as peerDep to >=0.4.0. Make source maps generation a little faster. Add `charset:utf-8` to `sourceMappingURL`.
@@ -299,4 +300,4 @@ grunt.initConfig({
 
 Task submitted by ["Cowboy" Ben Alman](http://benalman.com/)
 
-*This file was generated on Thu Oct 07 2021 23:04:00.*
+*This file was generated on Sun Apr 03 2022 07:55:57.*