Upgrading additional packages (#4638)

* Upgrading additional packages

* Fix indentation

* Adding the overrides config key

* Changelog and readme entries

* Removing unnecessary packages

* Removing override definitions

* Removing unnecessary mkdirp package

* Changelog and readme updates

* Removing the chromedriver package

* Readme and changelog entries update

* Update changelog.txt

Co-authored-by: daledupreez <[email protected]>

* Readme entry update

---------

Co-authored-by: daledupreez <[email protected]>

Author: wjrosa

changelog.txt

@@ -1,6 +1,7 @@
 *** Changelog ***
 
 = 9.9.0 - xxxx-xx-xx =
+* Dev - Upgrade the cross-env and rimraf NPM packages; remove chromedriver NPM dependency
 * Dev - Removes three unused NPM script commands: `test`, `test:grep`, and `test:single`
 * Dev - Upgrades the Babel-related packages
 * Fix - Use the item name as fallback when normalizing line items for the express checkout