Update password-rules.json for zenni optical (#952)

Author: new-mexico-worm-farmer

quirks/password-rules.json

@@ -113,6 +113,9 @@
     "auth.readymag.com": {
         "password-rules": "minlength: 8; maxlength: 128; required: lower; required: upper; allowed: special;"
     },
+    "auth.zennioptical.com": {
+        "password-rules": "minlength: 8; maxlength: 14; required: lower; required: upper; required: digit; allowed: special;"
+    },
     "autify.com": {
         "password-rules": "minlength: 8; required: lower; required: upper; required: digit; required: [!\"#$%&'()*+,./:;<=>?@[^_`{|}~]];"
     },