fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-NODEMAILER-6219989

package.json

@@ -120,7 +120,7 @@
     "koa-static": "5.0.0",
     "lru-cache": "10.0.0",
     "lz-string": "1.5.0",
-    "mailparser": "3.6.5",
+    "mailparser": "3.6.7",
     "markdown-it": "13.0.1",
     "module-alias": "2.2.3",
     "notion-to-md": "3.1.1",