ansible_pull(role): ensure SOPS is installed

Also add the SOPS community collection as a requirement for this repo.

roles/ansible_pull/tasks/main.yaml

@@ -1,8 +1,14 @@
 - name: ensure dependencies are installed
-  ansible.builtin.apt:
-    name: virtualenv
-    state: present
-  become: true
+  block:
+    - name: ensure apt dependencies are installed
+      ansible.builtin.apt:
+        name: virtualenv
+        state: present
+      become: true
+
+    - name: ensure SOPS is installed
+      ansible.builtin.include_role:
+        name: community.sops.install
 
 # https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html#installing-and-upgrading-ansible-with-pip
 # https://www.redhat.com/en/blog/python-venv-ansible