chore(submodule): bump etc/data/magfield from a0e899e to ba858a8 (#972)

dependabot[bot] · tongtongcao · commit c4d6b69aa6b5 · 2025-12-04T13:33:04.000-05:00
diff --git a/etc/data/magfield b/etc/data/magfield
@@ -1 +1 @@
-Subproject commit a0e899ea96c86609ea36f5111ed7c319e8463673
+Subproject commit ba858a8d51cc5bd0b49ce881b32d44aa57e3e68b
