(fix): update utopia-php/database with tenant normalization and relationship validation

Includes:
- Tenant type normalization at boundary (restore strict comparison)
- Validate relationship $id in Document constructor
- Convert associative arrays to Documents in relationship hooks
- PHPStan type fixes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

composer.lock

@@ -4038,12 +4038,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/utopia-php/database.git",
-                "reference": "ed0b48a63326584adaea81d7acb6a25818b14faf"
+                "reference": "fa461e51f9e1542b1dd371795bfb3f13d9c8a1a3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/utopia-php/database/zipball/ed0b48a63326584adaea81d7acb6a25818b14faf",
-                "reference": "ed0b48a63326584adaea81d7acb6a25818b14faf",
+                "url": "https://api.github.com/repos/utopia-php/database/zipball/fa461e51f9e1542b1dd371795bfb3f13d9c8a1a3",
+                "reference": "fa461e51f9e1542b1dd371795bfb3f13d9c8a1a3",
                 "shasum": ""
             },
             "require": {