build(deps): bump gsap from 2.0.2 to 3.6.0

Bumps [gsap](https://github.com/greensock/GSAP) from 2.0.2 to 3.6.0.
- [Release notes](https://github.com/greensock/GSAP/releases)
- [Commits](greensock/GSAP@2.0.2...3.6.0)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -56,7 +56,7 @@
     "force-ssl-heroku": "^1.0.2",
     "fs-extra": "3.0.1",
     "fuse.js": "^3.3.0",
-    "gsap": "^2.0.2",
+    "gsap": "^3.6.0",
     "html-webpack-plugin": "2.29.0",
     "jest": "20.0.4",
     "node-sass": "^4.14.1",