Fix IP ranges in Zabbix API item allowed hosts

Zabbix docs say that spaces are allowed, but Zabbix seems
to choke on the spaces, throwing an IP address validation error.

Author: overhacked

Diff for: .github/workflows/zabbix-integration.yml

@@ -156,7 +156,7 @@ jobs:
           set -x
           ./script/zabbix_api_setup.py \
             --wait 120 \
-            --allow-ips '127.0.0.1, ::1, 172.16.0.0/12' \
+            --allow-ips '127.0.0.1,::1,172.16.0.0/12' \
             --tls-accept ${{ matrix.encryption }} \
             $PSK_ARGS \
             http://localhost:8080