added "fai_config_git_version" var for choosing a branch or tag for a git repo

inventory/local.yml

@@ -9,6 +9,7 @@ all:
         - "192.168.33.1"
       #nameservers:
       fai_config_git: "https://git.dezentrale.cloud/HW4F/fai-config.git"
+      fai_config_git_version: "HEAD"
 
   hosts:
     hw4f-fai-vagrant:

roles/fai/tasks/fai-config-dir.yml

@@ -13,7 +13,7 @@
   ansible.builtin.git:
     repo: "{{ fai_config_git }}"
     dest: "{{ fai_dir_config }}"
-    version: 'HEAD'
+    version: "{{ fai_config_git_version }}"
     force: true
     #recursive: true
   notify: pack fai-config