update modules deployment, as explained upstream

tasks/modules.yml

@@ -1,16 +1,30 @@
 ---
 
+#- name: '[Modules] - Install modules'
+#  npm:
+#    name: "{{ item.name }}"
+#    path: "{{ etherpad_app_dir }}/app"
+#    state: latest
+#  with_items: "{{ etherpad_plugins }}"
+#  become: yes
+#  become_user: "{{ etherpad_username }}"
+#  when: item.install|lower == 'true'
+#  notify:
+#    restart etherpad
+#  tags: modules
+
 - name: '[Modules] - Install modules'
-  npm:
-    name: "{{ item.name }}"
-    path: "{{ etherpad_app_dir }}/app"
-    state: latest
+  shell:
+     cmd: "npm install --no-save --legacy-peer-deps {{ item.name }}"
+  args:
+    chdir: "{{ etherpad_app_dir }}/app"
   with_items: "{{ etherpad_plugins }}"
   become: yes
   become_user: "{{ etherpad_username }}"
   when: item.install|lower == 'true'
   notify:
     restart etherpad
+  tags: modules
 
 - name: '[Modules] - Uninstall modules'
   npm:
@@ -23,3 +37,4 @@
   when: item.install|lower == 'false'
   notify:
     restart etherpad
+  tags: modules