fix: create squid3 directory below /var/spool to get rid of error message during service startup

tasks/configure-squid-proxy.yml

@@ -15,3 +15,10 @@
   notify:
     - restart squid proxy
 
+- name: Spool-Ordner erzeugen
+  ansible.builtin.file:
+    path: "/var/spool/squid3"
+    mode: "0755"
+    state: directory
+    owner: "proxy"
+    group: "proxy"