rolled executable task into file move and added md5sum for version checking

roles/lib/setup-restic.yml

@@ -141,11 +141,8 @@
       copy:
         src: "/tmp/restic"
         dest: "/usr/bin/restic"
-        remote_src: yes
+        md5sum: "b1e471985d0bd5647967e3b19d5b7a09"
-
+        mode: "0755"
-    - name: Make restic executable
-      ansible.builtin.file:
-        path: /usr/bin/restic
         owner: root
         group: root
-        mode: "0755"
+        remote_src: yes