Send fallbackToClosest as a boolean instead of a string

CHANGELOG.md

@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed a cdn-in-a-box build issue when using `RHEL_VERSION=7`
 - [#6549](https://github.com/apache/trafficcontrol/issues/6549) Fixed internal server error while deleting a delivery service created from a DSR (Traafic Ops).
 - [#6538](https://github.com/apache/trafficcontrol/pull/6538) Fixed the incorrect use of secure.port on TrafficRouter and corrected to the httpsPort value from the TR server configuration.
+- [#6562](https://github.com/apache/trafficcontrol/pull/6562) Fixed incorrect template in Ansible dataset loader role when fallbackToClosest is defined.
 
 ### Removed
 - Remove traffic_portal dependencies to mitigate `npm audit` issues, specifically `grunt-concurrent`, `grunt-contrib-concat`, `grunt-contrib-cssmin`, `grunt-contrib-jsmin`, `grunt-contrib-uglify`, `grunt-contrib-htmlmin`, `grunt-newer`, and `grunt-wiredep`

infrastructure/ansible/roles/dataset_loader/templates/cachegroup.j2

@@ -13,7 +13,7 @@
 #}
 {
 {% if item.fallbackToClosest is defined and item.fallbackToClosest is not none %}
-  "fallbackToClosest": "{{ item.fallbackToClosest }}",
+  "fallbackToClosest": {{ item.fallbackToClosest }},
 {% endif %}
 {% if item.latitude is defined and item.latitude is not none %}
   "latitude": {{ item.latitude }},