Fix indentation in FileBackup::create() after merge

Reindent the parameter list and return-type line to 4-space PSR-12
indentation; the levels were off after merging the nullable-type and
deleteOnFail changes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: Cannonb4ll

src/Ploi/Resources/FileBackup.php

@@ -72,12 +72,12 @@ public function create(
         array $sites,
         int $interval,
         array $path,
-          ?string $locations = null,
-          ?int $keep_backup_amount = null,
-          ?string $custom_name = null,
-          ?string $password = null,
-          ?bool $deleteOnFail = null
-      ): Response {
+        ?string $locations = null,
+        ?int $keep_backup_amount = null,
+        ?string $custom_name = null,
+        ?string $password = null,
+        ?bool $deleteOnFail = null
+    ): Response {
         // Remove the id
         $this->setId(null);