Merge pull request #549 from puppetlabs/CONT-880-Update_concat_dependency

(CONT-880) Update concat dependency

Author: jordanbreen28

metadata.json

@@ -14,7 +14,7 @@
     },
     {
       "name": "puppetlabs/concat",
-      "version_requirement": ">= 1.2.3 < 8.0.0"
+      "version_requirement": ">= 1.2.3 < 9.0.0"
     }
   ],
   "operatingsystem_support": [