bump G4DarkBreM to v2.2.1 (#1836)

tomeichlersmith · web-flow · commit 05b388d04c06 · 2025-09-05T10:24:53.000-07:00
diff --git a/SimCore/G4DarkBreM b/SimCore/G4DarkBreM
@@ -1 +1 @@
-Subproject commit 35e9e658540681637ce11a244df89484e6e51875
+Subproject commit 4584d1a82c5f216116bd4967eafd25ef68ac185f
