fix: security issues

- fix: devDependencies security issues (event-stream, flatmap-stream)
- chore: dependencies update
  - update `npm-run-all` to `^4.1.5`
  - reinstall `nodemon`
  ```bash
  npm uninstall nodemon
  npm install --save-dev nodemon
  ```

Author: xidedix

CHANGELOG.md

@@ -1,3 +1,13 @@
+## v2.1.2
+- fix: devDependencies security issues (event-stream, flatmap-stream)
+- chore: dependencies update
+  - update `npm-run-all` to `^4.1.5`
+  - reinstall `nodemon`
+  ```bash
+  npm uninstall nodemon
+  npm install --save-dev nodemon
+  ```
+
 ## v2.1.1
 - fix(sidebar): `url("data:,")` turns into `url("'data:,'")`  
   now replaced with Base64 Encode of 1x1px Transparent gif, closes #49

README.md

@@ -52,13 +52,13 @@ $ npm install @coreui/coreui --save
 ### Yarn
 
 ``` bash
-$ yarn add @coreui/[email protected].1
+$ yarn add @coreui/[email protected].2
 ```
 
 ### Composer
 
 ``` bash
-$ composer require coreui/coreui:2.1.1
+$ composer require coreui/coreui:2.1.2
 ```
 
 ## Usage