Fix WebdisConnection with IPv4 hosts.

Apparently something changed since last time in cURL internals and now
an IPv4 wrapped by square brackets (which are used for IPv6 addresses)
returns a malformed request error.

m

CHANGELOG.md

@@ -6,6 +6,10 @@ the URI when using the "redis" scheme and a "username:password" pair is present.
 Values retrieved from the userinfo fragment always override the ones specified
 in `username` and `password` if those fields are present in the query string.
 
+- __FIX__: `Predis\Connection\WebdisConnection` was unable to connect to Webdis
+when using an IPv4 address in the URL and this is probably due to some change in
+cURL internals since the last time we tested it.
+
 
 v1.1.4 (2020-08-31)
 ================================================================================

src/Connection/WebdisConnection.php

@@ -119,7 +119,7 @@ private function createCurl()
         $parameters = $this->getParameters();
         $timeout = (isset($parameters->timeout) ? (float) $parameters->timeout : 5.0) * 1000;
 
-        if (filter_var($host = $parameters->host, FILTER_VALIDATE_IP)) {
+        if (filter_var($host = $parameters->host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
             $host = "[$host]";
         }