fix(deps): update dependency @edx/browserslist-config to v1.4.0 (#1570)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -34,7 +34,7 @@
   },
   "dependencies": {
     "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
-    "@edx/browserslist-config": "1.2.0",
+    "@edx/browserslist-config": "1.4.0",
     "@edx/frontend-component-header": "^5.8.0",
     "@edx/frontend-lib-learning-assistant": "^2.14.1",
     "@edx/frontend-lib-special-exams": "^3.1.3",