Bump express to 4.21.1 (#4589)

Author: thomashohn

package.json

@@ -140,7 +140,7 @@
     "eslint-plugin-import": "2.30.0",
     "eslint-plugin-mocha": "10.5.0",
     "expect": "29.7.0",
-    "express": "4.21.0",
+    "express": "4.21.1",
     "graphql": "16.9.0",
     "husky": "9.1.6",
     "inquirer-test": "2.0.1",