copr-be: idempotent touch

roles/copr/backend/tasks/main.yml

@@ -102,7 +102,14 @@
   - lighttpd_config
 
 - name: Create a txt file with Pulp redirects
-  file: state=touch dest=/var/lib/copr/pulp-redirect.txt owner=copr group=copr mode=644
+  file:
+    state: touch
+    dest: /var/lib/copr/pulp-redirect.txt
+    owner: copr
+    group: copr
+    mode: "644"
+    modification_time: preserve
+    access_time: preserve
 
 - name: Add custom lighttpd lua scripts
   ansible.builtin.template: src="lighttpd/{{ item }}.j2" dest="/etc/lighttpd/{{ item }}" owner=root group=root mode=644