OWNERS: master -> main

Change-Id: I5762bb5051ff2e6cd34e24c49f0919ca8423c1b8
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