Use wlan_eap_ca_crl for URL of the certificate revocation list

roles/lmn_wlan/defaults/main.yaml

@@ -11,4 +11,5 @@ wlan_eap_ca:
   emailAddress: "admin@example.com"
   CN: "Radius Certificate Authority"
   password: "OtherVerySecurePassw0rd"
+wlan_eap_ca_crl: "http://radius.{{ domain }}/radius-ca.crl"
 wlan_enable_on_boot: true

roles/lmn_wlan/tasks/eap-tls_check-certificate.yaml

@@ -15,7 +15,7 @@
   ansible.builtin.get_url:
     force: true
     mode: "0644"
-    url: "http://radius.steinbeis.schule/radius-ca.crl"
+    url: "{{ wlan_eap_ca_crl }}"
     dest: /tmp/radius-ca.crl
   when: cert_client_active.stat.exists