Docs: improve consistency and specificity [4]

This fixes up the `@return` type declarations for all `AbstractArrayAssignmentRestrictionsSniff::getGroups()` methods.

Author: jrfnl

WordPressVIPMinimum/Sniffs/Performance/NoPagingSniff.php

@@ -23,7 +23,7 @@ class NoPagingSniff extends AbstractArrayAssignmentRestrictionsSniff {
 	/**
 	 * Groups of variables to restrict.
 	 *
-	 * @return array
+	 * @return array<string, array<string, string|array<string>>>
 	 */
 	public function getGroups() {
 		return [

WordPressVIPMinimum/Sniffs/Performance/OrderByRandSniff.php

@@ -24,7 +24,7 @@ class OrderByRandSniff extends AbstractArrayAssignmentRestrictionsSniff {
 	/**
 	 * Groups of variables to restrict.
 	 *
-	 * @return array
+	 * @return array<string, array<string, string|array<string>>>
 	 */
 	public function getGroups() {
 		return [

WordPressVIPMinimum/Sniffs/Performance/RegexpCompareSniff.php

@@ -18,7 +18,7 @@ class RegexpCompareSniff extends AbstractArrayAssignmentRestrictionsSniff {
 	/**
 	 * Groups of variables to restrict.
 	 *
-	 * @return array
+	 * @return array<string, array<string, string|array<string>>>
 	 */
 	public function getGroups() {
 		return [

WordPressVIPMinimum/Sniffs/Performance/RemoteRequestTimeoutSniff.php

@@ -17,7 +17,7 @@ class RemoteRequestTimeoutSniff extends AbstractArrayAssignmentRestrictionsSniff
 	/**
 	 * Groups of variables to restrict.
 	 *
-	 * @return array
+	 * @return array<string, array<string, string|array<string>>>
 	 */
 	public function getGroups() {
 		return [

WordPressVIPMinimum/Sniffs/Performance/WPQueryParamsSniff.php

@@ -28,7 +28,7 @@ class WPQueryParamsSniff extends AbstractArrayAssignmentRestrictionsSniff {
 	/**
 	 * Groups of variables to restrict.
 	 *
-	 * @return array
+	 * @return array<string, array<string, string|array<string>>>
 	 */
 	public function getGroups() {
 		return [