Bump dompurify from 3.2.6 to 3.3.1 in /welcome

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.2.6 to 3.3.1.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.2.6...3.3.1)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.3.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

welcome/package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@surfnet/sds": "^0.0.150",
-    "dompurify": "^3.2.6",
+    "dompurify": "^3.3.1",
     "i18n-js": "^4.5.1",
     "isomorphic-dompurify": "^2.26.0",
     "js-cookie": "^3.0.5",

welcome/yarn.lock

@@ -1647,10 +1647,10 @@ dom-accessibility-api@^0.6.3:
   resolved "https://registry.yarnpkg.com/dom-accessibility-api/-/dom-accessibility-api-0.6.3.tgz#993e925cc1d73f2c662e7d75dd5a5445259a8fd8"
   integrity sha512-7ZgogeTnjuHbo+ct10G9Ffp0mif17idi0IyWNVA/wcwcm7NPOD/WEHVP3n7n3MhXqxoIYm8d6MuZohYWIZ4T3w==
 
-dompurify@^3.2.6:
-  version "3.2.6"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.2.6.tgz#ca040a6ad2b88e2a92dc45f38c79f84a714a1cad"
-  integrity sha512-/2GogDQlohXPZe6D6NOgQvXLPSYBqIWMnZ8zzOhn09REE4eyAzb+Hed3jhoM9OkuaJ8P6ZGTTVWQKAi8ieIzfQ==
+dompurify@^3.2.6, dompurify@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.3.1.tgz#c7e1ddebfe3301eacd6c0c12a4af284936dbbb86"
+  integrity sha512-qkdCKzLNtrgPFP1Vo+98FRzJnBRGe4ffyCea9IwHB1fyxPOeNTHpLKYGd4Uk9xvNoH0ZoOjwZxNptyMwqrId1Q==
   optionalDependencies:
     "@types/trusted-types" "^2.0.7"