Ensure all metadata fields have string values

Make sure that any numeric type values are being interpreted as
strings. This ensures the metadata follows the schema for Ansible role
metadata.

Author: mcdonnnj

meta/main.yml

@@ -11,12 +11,12 @@ galaxy_info:
   # OS family.  This simplifies a lot of things for roles that support
   # Kali Linux, so it makes sense to force the installation of Ansible
   # 2.10 or newer.
-  min_ansible_version: 2.10
+  min_ansible_version: "2.10"
   namespace: cisagov
   platforms:
     - name: Amazon
       versions:
-        - 2
+        - "2"
     - name: Debian
       versions:
         - stretch
@@ -28,8 +28,8 @@ galaxy_info:
         - bookworm
     - name: Fedora
       versions:
-        - 34
-        - 35
+        - "34"
+        - "35"
     - name: Ubuntu
       versions:
         - bionic