fix(model): catch error when insertMany fails to cast document

Fixes #8363

Author: Fonger

lib/model.js

@@ -3206,10 +3206,15 @@ Model.$__insertMany = function(arr, options, callback) {
 
   const toExecute = [];
   const validationErrors = [];
+
   arr.forEach(function(doc) {
     toExecute.push(function(callback) {
       if (!(doc instanceof _this)) {
-        doc = new _this(doc);
+        try {
+          doc = new _this(doc);
+        } catch (err) {
+          return callback(err);
+        }
       }
       if (options.session != null) {
         doc.$session(options.session);