update apt cache

Author: ltalirz

tasks/debian.yml

@@ -48,13 +48,10 @@
 #    - '"cvmfs-config-computecanada" in cvmfs_configuration'
 #    - ansible_facts.packages['computecanada-release'] is not defined
 
-- name: Install CVMFS client and configuration packages
-  apt:
-    name: 'cvmfs'
-
 - name: Workaround - install compute canada config package directly from URL
   apt:
     deb: "https://package.computecanada.ca/yum/cc-cvmfs-public/prod/other/cvmfs-config-computecanada-latest.all.deb"
+    update_cache: true
   when:
     - '"cvmfs-config-computecanada" in cvmfs_configuration'