build: Updating mediawiki/mediawiki-codesniffer to 32.0.0

Additional changes:
* Dropped .php5 and .inc files from .phpcs.xml (T200956).
* Added the `wikimedia/mediawiki` profile in .eslintrc.json (T262222).
* Removed globals `mw`, `OO`, included via `wikimedia/mediawiki` profile (T262222).
* Dropped the emtpy global definition in .eslintrc.json.

Change-Id: Ia6c0b6f25cfc56e3aacebd2ea78263f284af65bc

.eslintrc.json

@@ -1,12 +1,11 @@
 {
 	"root": true,
-	"extends": "wikimedia",
+	"extends": [
+		"wikimedia",
+		"wikimedia/mediawiki"
+	],
 	"env": {
 		"browser": true,
 		"jquery": true
-	},
-	"globals": {
-		"mw": false,
-		"OO": false
 	}
 }

.phpcs.xml

@@ -7,6 +7,6 @@
 		<exclude name="PEAR.Functions.ValidDefaultValue.NotAtEnd" />
 	</rule>
 	<file>.</file>
-	<arg name="extensions" value="php,php5,inc" />
+	<arg name="extensions" value="php" />
 	<arg name="encoding" value="UTF-8" />
 </ruleset>

composer.json

@@ -1,6 +1,6 @@
 {
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "31.0.0",
+		"mediawiki/mediawiki-codesniffer": "32.0.0",
 		"mediawiki/minus-x": "1.1.0",
 		"php-parallel-lint/php-console-highlighter": "0.5.0",
 		"php-parallel-lint/php-parallel-lint": "1.2.0"