Bump wait-on from 3.2.0 to 3.3.0

Bumps [wait-on](https://github.com/jeffbski/wait-on) from 3.2.0 to 3.3.0.
- [Release notes](https://github.com/jeffbski/wait-on/releases)
- [Commits](https://github.com/jeffbski/wait-on/commits)

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

package.json

@@ -76,7 +76,7 @@
     "eslint-plugin-react": "^7.13.0",
     "optipng-bin": "^6.0.0",
     "prettier": "^1.17.1",
-    "wait-on": "^3.2.0",
+    "wait-on": "^3.3.0",
     "shelljs": "^0.8.3",
     "stylelint": "^10.1.0",
     "stylelint-config-standard": "^18.3.0",