feat(security): sanitize SVG files on upload

Signed-off-by: Erik Michelson <github@erik.michelson.eu>

package.json

@@ -37,6 +37,7 @@
     "cookie-parser": "1.4.7",
     "deep-freeze": "0.0.1",
     "diff-match-patch": "git+https://github.com/hackmdio/diff-match-patch.git#commit=59a9395ad9fe143e601e7ae5765ed943bdd2b11e",
+    "dompurify": "3.3.1",
     "ejs": "3.1.10",
     "express": "4.22.1",
     "express-rate-limit": "8.2.1",
@@ -47,7 +48,7 @@
     "helmet": "8.1.0",
     "i18n": "0.15.3",
     "is-svg": "4.4.0",
-    "jsdom-nogyp": "0.8.3",
+    "jsdom": "24.1.3",
     "lodash": "4.17.23",
     "lutim": "1.0.3",
     "lz-string": "git+https://github.com/hackmdio/lz-string.git#commit=6edfccb79cd8c210f03fd3bf18e41ca144fbeefb",