update to root master (#986)

HDembinski · web-flow · commit bdaada6828c1 · 2024-04-15T12:44:15.000+02:00
diff --git a/extern/root b/extern/root
@@ -1 +1 @@
-Subproject commit 503faf859b51c337dbc05c44a0c383f1ea5c1402
+Subproject commit 6c9118fb23c981c28a53dc215c68f2be00c04e3e
