Update wp-coding-standards/wpcs requirement from 2.3.0 to 3.0.1 (#231)

* Update wp-coding-standards/wpcs requirement from 2.3.0 to 3.0.1

Updates the requirements on [wp-coding-standards/wpcs](https://github.com/WordPress/WordPress-Coding-Standards) to permit the latest version.
- [Release notes](https://github.com/WordPress/WordPress-Coding-Standards/releases)
- [Changelog](https://github.com/WordPress/WordPress-Coding-Standards/blob/develop/CHANGELOG.md)
- [Commits](WordPress/WordPress-Coding-Standards@2.3.0...3.0.1)

---
updated-dependencies:
- dependency-name: wp-coding-standards/wpcs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Use renamed PHP sniffs

* Update list of allowed filesystem functions

* Exclude Universal.Operators.DisallowStandalonePostIncrementDecrement to allow both variants

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Dominik Schilling <[email protected]>

Author: dependabot[bot]

Required/ruleset.xml

@@ -28,8 +28,9 @@
 	<rule ref="WordPress-Core">
 		<exclude name="WordPress.Files.FileName.NotHyphenatedLowercase"/>
 		<exclude name="WordPress.Files.FileName.InvalidClassFileName"/>
-		<exclude name="Generic.Arrays.DisallowShortArraySyntax"/>
-		<exclude name="WordPress.PHP.DisallowShortTernary"/>
+		<exclude name="Universal.Arrays.DisallowShortArraySyntax"/>
+		<exclude name="Universal.Operators.DisallowShortTernary"/>
+		<exclude name="Universal.Operators.DisallowStandalonePostIncrementDecrement"/>
 	</rule>
 
 	<rule ref="WordPress-Docs">
@@ -90,7 +91,9 @@
 			<property name="exclude" type="array">
 				<!-- Allow the use of filesystem functions. -->
 				<element value="file_get_contents"/>
-				<element value="file_system_read"/>
+				<element value="file_system_operations"/>
+				<element value="unlink"/>
+				<element value="rename"/>
 				<!-- wp_json_encode() is nowadays only a simple wrapper for json_encode(). -->
 				<element value="json_encode"/>
 			</property>

composer.json

@@ -16,7 +16,7 @@
     "phpcompatibility/phpcompatibility-wp": "2.1.4",
     "sirbrillig/phpcs-variable-analysis": "2.11.17",
     "slevomat/coding-standard": "8.13.4",
-    "wp-coding-standards/wpcs": "2.3.0"
+    "wp-coding-standards/wpcs": "3.0.1"
   },
   "suggest": {
     "dealerdirect/phpcodesniffer-composer-installer": "Automatically adds this package's ruleset to the installed_paths option of PHP_CodeSniffer"