fix(deps): do not list email-validator as a devDependency

Because it was listed as a devDependency it got removed during a container build process causing module not found error.

package.json

@@ -50,6 +50,7 @@
     "csurf": "1.11.0",
     "date-fns": "2.29.1",
     "email-templates": "9.0.0",
+    "email-validator": "2.0.4",
     "express": "4.18.1",
     "express-openapi-validator": "4.13.8",
     "express-rate-limit": "6.5.1",
@@ -134,7 +135,6 @@
     "copyfiles": "2.4.1",
     "cypress": "10.6.0",
     "cz-conventional-changelog": "3.3.0",
-    "email-validator": "2.0.4",
     "eslint": "8.22.0",
     "eslint-config-next": "12.2.5",
     "eslint-config-prettier": "8.5.0",