chore: update rusefi-core submodule to latest

amrikarisma · amrikarisma · commit 448996d3ec39 · 2026-06-26T20:03:55.000+07:00
diff --git a/ext/rusefi b/ext/rusefi
@@ -1 +1 @@
-Subproject commit 04f7e2f7c82aef79fbefe5ef04fdd8d63886f33e
+Subproject commit 1b6f15884bc755d184eb951c6abf6070ebea38e1
