OWNERS: master -> main

Change-Id: I8723080f900b0418b5273d0d329de73b4a2a73ae
diff --git a/OWNERS b/OWNERS
index 45dc4dd..5a2b844 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1 +1 @@
-include platform/prebuilts/rust:master:/OWNERS
+include platform/prebuilts/rust:main:/OWNERS