Fix updater

Flamefire · Flow86 · commit f070ce523378 · 2025-06-01T16:29:12.000+02:00
Update submodule containing the fix for failing downloads to file. Fixes #1728
diff --git a/external/s25update b/external/s25update
@@ -1 +1 @@
-Subproject commit 51196ffef158214d3fe35323c9e227ece5fdc785
+Subproject commit 297ddd799fc031b0b58f1cb0625dac675ecc9ba2
