chore(tests): Update psalm baseline

Signed-off-by: GitHub <noreply@github.com>

Author: nextcloud-command

build/psalm-baseline.xml

@@ -2669,9 +2669,6 @@
     </InvalidReturnType>
   </file>
   <file src="lib/private/Files/Storage/Local.php">
-    <ImplicitToStringCast>
-      <code>$file</code>
-    </ImplicitToStringCast>
     <TypeDoesNotContainNull>
       <code>$space === false || is_null($space)</code>
       <code>is_null($space)</code>