roles: Fix type of data used for for versions in meta files

ansible-lint warns if version strings are used as numbers instead fo
strings.

roles/ipabackup/meta/main.yml

@@ -6,15 +6,15 @@ galaxy_info:
   description: A role to backup and restore an IPA server
   company: Red Hat, Inc
   license: GPLv3
-  min_ansible_version: 2.8
+  min_ansible_version: "2.8"
   platforms:
   - name: Fedora
     versions:
     - all
   - name: EL
     versions:
-    - 7
-    - 8
+    - "7"
+    - "8"
   galaxy_tags:
     - identity
     - ipa

roles/ipaclient/meta/main.yml

@@ -6,15 +6,15 @@ galaxy_info:
   description: A role to join a machine to an IPA domain
   company: Red Hat, Inc
   license: GPLv3
-  min_ansible_version: 2.8
+  min_ansible_version: "2.8"
   platforms:
   - name: Fedora
     versions:
     - all
   - name: EL
     versions:
-    - 7
-    - 8
+    - "7"
+    - "8"
   galaxy_tags:
     - identity
     - ipa

roles/ipareplica/meta/main.yml

@@ -6,15 +6,15 @@ galaxy_info:
   description: A role to setup an IPA domain replica
   company: Red Hat, Inc
   license: GPLv3
-  min_ansible_version: 2.8
+  min_ansible_version: "2.8"
   platforms:
   - name: Fedora
     versions:
     - all
   - name: EL
     versions:
-    - 7
-    - 8
+    - "7"
+    - "8"
   galaxy_tags:
     - identity
     - ipa

roles/ipaserver/meta/main.yml

@@ -6,15 +6,15 @@ galaxy_info:
   description: A role to setup an iPA domain server
   company: Red Hat, Inc
   license: GPLv3
-  min_ansible_version: 2.8
+  min_ansible_version: "2.8"
   platforms:
   - name: Fedora
     versions:
     - all
   - name: EL
     versions:
-    - 7
-    - 8
+    - "7"
+    - "8"
   galaxy_tags:
     - identity
     - ipa

roles/ipasmartcard_client/meta/main.yml

@@ -6,15 +6,15 @@ galaxy_info:
   description: A role to setup IPA server(s) for Smart Card authentication
   company: Red Hat, Inc
   license: GPLv3
-  min_ansible_version: 2.8
+  min_ansible_version: "2.8"
   platforms:
   - name: Fedora
     versions:
     - all
   - name: EL
     versions:
-    - 7
-    - 8
+    - "7"
+    - "8"
   galaxy_tags:
     - identity
     - ipa

roles/ipasmartcard_server/meta/main.yml

@@ -6,15 +6,15 @@ galaxy_info:
   description: A role to setup IPA server(s) for Smart Card authentication
   company: Red Hat, Inc
   license: GPLv3
-  min_ansible_version: 2.8
+  min_ansible_version: "2.8"
   platforms:
   - name: Fedora
     versions:
     - all
   - name: EL
     versions:
-    - 7
-    - 8
+    - "7"
+    - "8"
   galaxy_tags:
     - identity
     - ipa