Resolve ignore-errors lint warnings

This uses the apt lock workaround to replace an ignore_errors on update
and also just totally removes another ignore_errors for writing to the
.bashrcs of users. If that's failing, we probably need to make our
filter a bit better.

roles/common/tasks/main.yml

@@ -64,5 +64,6 @@
 - name: Refresh apt cache
   apt:
     update_cache: yes
-  changed_when: false
-  ignore_errors: yes
+  register: apt_update
+  retries: 100
+  until: apt_update is success or ('Failed to lock apt for exclusive operation' not in apt_update.msg and '/var/lib/dpkg/lock' not in apt_update.msg)

roles/user/tasks/main.yml

@@ -92,7 +92,6 @@
     # sources our profile. We won't create the file if it doesn't exist and
     # we can ignore any errors
     create: no
-  ignore_errors: yes
   loop: "{{ real_users }}"
 - name: Remove Timeshift warning
   dconf: