Update ice submodule to v3.7.5-rc1

pepone · pepone · commit 750ff4543c7a · 2021-01-22T15:59:51.000+01:00
diff --git a/ice b/ice
@@ -1 +1 @@
-Subproject commit c78b8a72267dcd78ada7217f026d83c017c1d6b1
+Subproject commit 8def9dd2596b5fd296679efb03ad5fc3b97e821a
