Update openc-schema to point to branch that tightens criteria

CountCulture · CountCulture · commit 17e7910baa6b · 2021-03-31T15:45:27.000+01:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "schemas"]
 	path = schemas
 	url = git://github.com/openc/openc-schema.git
+	branch = tighten-additional-properties
diff --git a/schemas b/schemas
@@ -1 +1 @@
-Subproject commit 051a03a84b0a05d175e11737dc2a9ded0d9db647
+Subproject commit 0a2f8ac89be64caeb46c008aedf75f3e65015d84
