style: use 'loop' keyword instead of deprecated 'with_*'

tasks/install_subapp.yml

@@ -146,7 +146,7 @@
         owner: "{{ vault_subapp_vars.files.disapp.owner }}"
         group: "{{ vault_subapp_vars.files.disapp.group }}"
         mode: "{{ vault_subapp_vars.files.disapp.mode | default('0400') }}"
-      with_items: "{{ vault_subapp_vars.hosts[ansible_hostname] | default(vault_subapp_vars.hosts['sdvlzasubappmoleculetest']) }}"
+      loop: "{{ vault_subapp_vars.hosts[ansible_hostname] | default(vault_subapp_vars.hosts['sdvlzasubappmoleculetest']) }}"
     - name: write new SubApp config file
       ansible.builtin.template:
         src: "subapp.cfg.j2"
@@ -154,7 +154,7 @@
         owner: "{{ vault_subapp_vars.files.subapp.owner }}"
         group: "{{ vault_subapp_vars.files.subapp.group }}"
         mode: "{{ vault_subapp_vars.files.subapp.mode | default('0400') }}"
-      with_items: "{{ vault_subapp_vars.hosts[ansible_hostname] | default(vault_subapp_vars.hosts['sdvlzasubappmoleculetest']) }}"
+      loop: "{{ vault_subapp_vars.hosts[ansible_hostname] | default(vault_subapp_vars.hosts['sdvlzasubappmoleculetest']) }}"
 
 - name: Quarantaeneverzeichnis & Lockverzeichnis anlegen
   ansible.builtin.file: