fix: add Menlo font to code snippet and highlight components

[bsahitya]

Description

Add support for Menlo font for coded text in components.

Closes https://github.com/Teradata/covalent/issues/2080

What's included?

• Code snippet, Highlight and Code editor components support Menlo

General Tests for Every PR

• [x] npm run start still works.
• [x] npm run lint passes.
• [x] npm run stylelint passes.
• [x] npm test passes and code coverage is not lower.
• [x] npm run build still works.

Screenshots

Code Snippet Component

Syntax Highlight

Code Editor

[owilliams320]

:tada: This PR is included in version 8.5.5 :tada:

The release is available on:

• v8.5.5
• GitHub release

Your semantic-release bot :package::rocket: