Posture check: Azure Database for MySQL flexible server firewall rule allow access to all IPv4 address
Query: ```config from cloud.resource where cloud.type = 'azure' AND api.name = 'azure-mysql-flexible-server' AND json.rule = properties.state equal ignore case Ready and properties.network.publicNetworkAccess equal ignore case Enabled and firewallRules[?any(properties.startIpAddress equals 0.0.0.0 and properties.endIpAddress equals 255.255.255.255)] exists```