PHPCSDebug ruleset: update schema URL

PHPCS now offers permalinks for the schema.

Refs:
* PHPCSStandards/PHP_CodeSniffer 1094
* https://github.com/PHPCSStandards/schema.phpcodesniffer.com

Author: jrfnl

.phpcs.xml.dist

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="VIP Coding Standards" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/PHPCSStandards/PHP_CodeSniffer/master/phpcs.xsd">
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="VIP Coding Standards" xsi:noNamespaceSchemaLocation="https://schema.phpcodesniffer.com/phpcs.xsd">
 	<description>The custom ruleset for the VIP Coding Standards itself.</description>
 
 	<file>.</file>

WordPress-VIP-Go/ruleset.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="WordPress-VIP-Go" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/PHPCSStandards/PHP_CodeSniffer/master/phpcs.xsd">
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="WordPress-VIP-Go" xsi:noNamespaceSchemaLocation="https://schema.phpcodesniffer.com/phpcs.xsd">
 	<description>WordPress VIP Go Coding Standards</description>
 
 	<!-- The rules below are the changes from between the original sniff or parent ruleset, and what should be applied for this Standard. -->

WordPressVIPMinimum/ruleset.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="WordPressVIPMinimum" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/PHPCSStandards/PHP_CodeSniffer/master/phpcs.xsd">
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="WordPressVIPMinimum" xsi:noNamespaceSchemaLocation="https://schema.phpcodesniffer.com/phpcs.xsd">
 	<description>WordPress VIP Minimum Coding Standards</description>
 
 	<!--