chore: update mbt submodule

mgrossmann · mgrossmann · commit fac135332377 · 2026-03-22T10:32:29.000+01:00
diff --git a/mbt b/mbt
@@ -1 +1 @@
-Subproject commit 0a022bfd2b1703f2671a7d7c6152bde2d577ac0c
+Subproject commit accc7f3125c925c2df00d45e835967ea23d6fbee
