Update dependencies

[tksheppard]

Related to Issue

Fixes #260

Description

• Updated browser-sync
• Updated gulp-autoprefixer
• Updated gulp-clean-css
• Updated gulp-jshint
• Updated gulp-rename
• Updated gulp-replace
• Updated gulp-sass
• Updated gulp-zip
• Added sass dependency because gulp-sass removed the compiler. It is now just a gulp wrapper for sass.
• Updated gulpfile to correctly use the new compiler
• In an attempt to fully update gulp-notify, removed the 'sound: false' options. It didn't fix the errors from gulp-notify version 4, so it is still at version 3. I left the changes because they weren't necessary regardless.

How Has This Been Tested?

Updated all dependencies and ran gulp package. Output successful.

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

[sonarcloud[bot]]

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