chore(deps): update dependency style-loader to v3 (#4258)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -165,7 +165,7 @@
     "rucksack-css": "^1.0.2",
     "selenium-server": "^3.0.1",
     "semver": "^7.0.0",
-    "style-loader": "^2.0.0",
+    "style-loader": "^3.0.0",
     "stylelint": "^13.0.0",
     "stylelint-config-prettier": "^8.0.0",
     "stylelint-config-rational-order": "^0.1.2",