Update theme dev dependencies

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Themes > Fjord, Themes > Porygon, Themes > Westeros Bank
• Labels: None
• Epic Link: fi-build-process-performance
• Sprint: S02E11 - The Big Lebowski
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/70629

Develop Dependencies:
        "gulp": "3.9.1",
        "liferay-theme-tasks": "^9.0.0-alpha.1",
        "compass-mixins": "0.12.10",
        "liferay-frontend-common-css": "^1.0.4",
        "liferay-frontend-theme-styled": "^4.0.0-alpha.1552930087997",
        "liferay-frontend-theme-unstyled": "^4.0.0-alpha.1552930030671"