Bugfix: [LDC-623] Change max multiple value for field tags

## Ready State: Yes

#### JIRA Reference: https://imagex.atlassian.net/browse/LDC-623

Change max multiple value for field tags

## Deployment Instructions

* Merge code.
* `drush fr imagex_vocabulary_tags -y` or Install new version linux profile
* Clear caches with `drush cache-clear all`

## Usage/Test Instructions

* Browse to www.localhost.com/my/environment
* Visually view the changes on the homepage.