Update puppetlabs/apt max version to 11.0.0 (#73)

Tested on Ubuntu, Debian, Alma, and Rocky and there are no
issues.

Bump required Puppet version to v7.

metadata.json

@@ -14,7 +14,7 @@
     },
     {
       "name": "puppetlabs/apt",
-      "version_requirement": ">= 2.2.2 < 9.1.0"
+      "version_requirement": ">= 2.2.2 < 11.0.0"
     }
   ],
   "operatingsystem_support": [
@@ -44,7 +44,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 6.21.0 < 9.0.0"
+      "version_requirement": ">= 7.0.0 < 9.0.0"
     }
   ],
   "tags": [