fix(3rdparty): bump justinrainbow/json-schema to 5.3.0

Signed-off-by: grnd-alt <salimbelakkaf@outlook.de>

diff --git a/3rdparty b/3rdparty
index 14f8529ed7f3ae50b97756697060ad605cd61e76..18a7986c8bc5f82e332bcb28b52b856ad44a341f 160000 (submodule)
--- a/3rdparty
+++ b/3rdparty
@@ -1 +1 @@
-Subproject commit 14f8529ed7f3ae50b97756697060ad605cd61e76
+Subproject commit 18a7986c8bc5f82e332bcb28b52b856ad44a341f