fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-8482416

package.json

@@ -61,7 +61,7 @@
     "dayjs": "1.11.13",
     "dompurify": "3.1.7",
     "electron-updater": "6.3.9",
-    "express": "4.21.1",
+    "express": "4.21.2",
     "fs-extra": "11.2.0",
     "http-proxy-middleware": "3.0.3",
     "intl-messageformat": "10.7.3",