fix(deps): update dependency @edx/paragon to v20.28.4

Author: renovate[bot]

package-lock.json

@@ -34,7 +34,7 @@
     "@edx/frontend-component-header": "3.6.4",
     "@edx/frontend-lib-special-exams": "2.2.1",
     "@edx/frontend-platform": "3.4.1",
-    "@edx/paragon": "20.24.0",
+    "@edx/paragon": "20.28.4",
     "@fortawesome/fontawesome-svg-core": "1.3.0",
     "@fortawesome/free-brands-svg-icons": "5.15.4",
     "@fortawesome/free-regular-svg-icons": "5.15.4",