Support Puppet 8, drop Puppet 6 support

.github/workflows/ci.yaml

@@ -16,18 +16,17 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - ruby: 2.5.9
-            puppet: 6
+          - ruby: 2.7.7
+            puppet: 7
             fixtures: .fixtures.yml
             allow_failure: false
-          - ruby: 2.7.6
-            puppet: 7
+          - ruby: 3.2.2
+            puppet: 8
             fixtures: .fixtures.yml
             allow_failure: false
     env:
       BUNDLE_WITHOUT: system_tests:release
       PUPPET_GEM_VERSION: "~> ${{ matrix.puppet }}.0"
-      FACTER_GEM_VERSION: "< 4.0"
       FIXTURES_YML: ${{ matrix.fixtures }}
     name: Puppet ${{ matrix.puppet }} (Ruby ${{ matrix.ruby }})
     steps:
@@ -58,8 +57,8 @@ jobs:
           - "ubuntu-2004"
           - "ubuntu-2204"
         puppet:
-          - "puppet6"
           - "puppet7"
+          - "puppet8"
     env:
       BUNDLE_WITHOUT: development:release
       BEAKER_debug: true

.sync.yml

@@ -11,8 +11,8 @@
         - ubuntu-2004
         - ubuntu-2204
       puppet:
-        - puppet6
         - puppet7
+        - puppet8
 .gitlab-ci.yml:
   delete: true
 appveyor.yml:

metadata.json

@@ -69,7 +69,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 6.0.0 < 8.0.0"
+      "version_requirement": ">= 7.0.0 < 9.0.0"
     }
   ],
   "description": "root account module",