deps: upgrade dompurify and @types/dompurify (#1299)

Co-authored-by: dcshzj <[email protected]>

package.json

@@ -40,7 +40,6 @@
     "@octokit/rest": "^18.12.0",
     "@opengovsg/formsg-sdk": "^0.11.0",
     "@opengovsg/sgid-client": "^2.0.0",
-    "@types/dompurify": "^3.0.5",
     "auto-bind": "^4.0.0",
     "aws-lambda": "^1.0.7",
     "aws-sdk": "^2.1619.0",
@@ -60,7 +59,7 @@
     "crypto-js": "^4.2.0",
     "dd-trace": "5.9.0",
     "debug": "~2.6.9",
-    "dompurify": "^3.0.9",
+    "dompurify": "^3.1.3",
     "dotenv": "^16.4.5",
     "eventsource": "^2.0.2",
     "exponential-backoff": "^3.1.0",
@@ -121,6 +120,7 @@
     "@types/convict": "^6.1.1",
     "@types/cookie-parser": "^1.4.3",
     "@types/cors": "^2.8.17",
+    "@types/dompurify": "^3.0.5",
     "@types/express": "^4.17.13",
     "@types/express-session": "^1.17.5",
     "@types/jest": "^27.4.1",