fix: don't use deprecated modules

also don't believe everything that ansible says while it runs

Signed-off-by: Matej Focko <me@mfocko.xyz>

roles/system/flatpak/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 - name: Enable Flathub
-  community.general.packaging.os.flatpak_remote:
+  community.general.flatpak_remote:
     name: flathub
     state: present
     flatpakrepo_url: https://dl.flathub.org/repo/flathub.flatpakrepo
@@ -8,7 +8,7 @@
   tags: flatpak/enable-flathub
 
 - name: Install flatpak apps
-  community.general.packaging.os.flatpak:
+  community.general.flatpak:
     name: "{{ item }}"
     state: present
   loop: "{{ flatpak_apps }}"