chore: update paragon version (#382)

update alert style in Paragon.
update Paragon version in this repo.
update email suggestion alert style.

VAN-558

package-lock.json

@@ -3937,9 +3937,9 @@
       }
     },
     "@edx/paragon": {
-      "version": "14.16.10",
-      "resolved": "https://registry.npmjs.org/@edx/paragon/-/paragon-14.16.10.tgz",
-      "integrity": "sha512-pIftyWuZ77FfJpjkTxDPt7e0AGzzwCa+KRH4EiEG+aNCEoUdwBvmfbE3eW0Ijm85WFlr/6Zod3BnWhD2bhj8Hg==",
+      "version": "15.2.1",
+      "resolved": "https://registry.npmjs.org/@edx/paragon/-/paragon-15.2.1.tgz",
+      "integrity": "sha512-4+Uz0Z5a4eIiNkJz2MKcBb2iVFBO0RCI8jPlteCG0xH3cjOvkw1Kdjq+AyJVBwmk313/xm3ASN6JxsHZvpnosw==",
       "requires": {
         "@fortawesome/fontawesome-svg-core": "^1.2.30",
         "@fortawesome/free-solid-svg-icons": "^5.14.0",
@@ -3950,6 +3950,7 @@
         "classnames": "^2.2.6",
         "email-prop-type": "^3.0.0",
         "font-awesome": "^4.7.0",
+        "lodash.uniqby": "^4.7.0",
         "mailto-link": "^1.0.0",
         "prop-types": "^15.7.2",
         "react-bootstrap": "^1.3.0",
@@ -17643,6 +17644,11 @@
       "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=",
       "dev": true
     },
+    "lodash.uniqby": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/lodash.uniqby/-/lodash.uniqby-4.7.0.tgz",
+      "integrity": "sha1-2ZwHpmnp5tJOE2Lf4mbGdhavEwI="
+    },
     "logalot": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/logalot/-/logalot-2.1.0.tgz",