Setup Gulp to automate version bump

[jaieds]

Description

Steps to test:

• Run npx gulp bump in the terminal/command prompt.
• Enter the version number.
• Check for changes.

Screenshots

• https://d.pr/v/lJjXHC

Types of changes

How has this been tested?

Checklist:

• My code is tested
• My code passes the PHPCS tests
• I've created the npm build.
• My code follows accessibility standards
• My code has proper inline documentation
• I've included any necessary tests
• I've included developer documentation
• I've added proper labels to this pull request