Fix new league csv deprecation

Author: jaapio

packages/guides-restructured-text/src/RestructuredText/Directives/CsvTableDirective.php

@@ -33,6 +33,7 @@
 use function explode;
 use function implode;
 use function is_string;
+use function method_exists;
 use function strval;
 use function trim;
 
@@ -78,10 +79,18 @@ public function processNode(
                 return new GenericNode('csv-table');
             }
 
-            $csv = Reader::createFromStream($csvStream);
+            if (method_exists(Reader::class, 'from')) {
+                $csv = Reader::from($csvStream);
+            } else {
+                $csv = Reader::createFromStream($csvStream);
+            }
         } else {
             $lines = $blockContext->getDocumentIterator()->toArray();
-            $csv = Reader::createFromString(implode("\n", $lines));
+            if (method_exists(Reader::class, 'fromString')) {
+                $csv = Reader::fromString(implode("\n", $lines));
+            } else {
+                $csv = Reader::createFromString(implode("\n", $lines));
+            }
         }
 
         if ($directive->getOption('header-rows')->getValue() !== null) {