Bump godot-cpp to fix an asan reported issue

YuriSizov · YuriSizov · commit bbbe631e2e0f · 2024-07-09T14:19:08.000+02:00
diff --git a/godot-cpp b/godot-cpp
@@ -1 +1 @@
-Subproject commit 7abe4ca9e408663abad9284013d9aeef3a578522
+Subproject commit 6d939e6878c3fb14ae521207ad2d2f0267fd0a9b
