fix(types): pass type to mongodb bulk write operation

[emiljanitzek]

Summary

Found issue when trying to perform a bulkWrite using $addToSet. The mongodb definition of AnyBulkWriteOperationrequires the type to be passed to accept any input to $addToSet

Examples

See test

[vkarpov15]

Thanks 👍 I took a look and this strangely enough seems to help performance

Before:

Instantiations:             364045
Memory used:               205244K

After:

Instantiations:             329480
Memory used:               197814K

Why? Who knows. But I'll take it.