Pin Flatpak Yaru theme extension ref

ansible/inventory/group_vars/desktop.yml

@@ -139,4 +139,4 @@ desktop_flatpak_packages:
   - sh.loft.devpod
 
 desktop_flatpak_extensions:
-  - org.gtk.Gtk3theme.Yaru-Blue-dark
+  - org.gtk.Gtk3theme.Yaru-Blue-dark//stable

ansible/roles/profile_desktop_i3/tasks/main.yml

@@ -273,7 +273,7 @@
     method: system
   when: (desktop_flatpak_packages | default([])) | length > 0
 
-- name: Install Flatpak extensions for active runtimes
+- name: Install Flatpak extensions
   community.general.flatpak:
     name: "{{ item }}"
     state: present