fix: update dependencies (mailparser 3.9.14)

Bumps mailparser 3.9.13 -> 3.9.14 so its transitive @zone-eu/mailsplit
resolves to 5.4.14 (libmime 5.4.1, iconv-lite 0.7.3), removing the last
duplicate iconv-lite copy from consumer dependency trees.

Author: andris9

package-lock.json

@@ -26,7 +26,7 @@
         "eslint": "10.6.0",
         "eslint-config-nodemailer": "1.2.0",
         "eslint-config-prettier": "10.1.8",
-        "mailparser": "3.9.13",
+        "mailparser": "3.9.14",
         "prettier": "3.9.4"
     },
     "dependencies": {