Updating `rules_rust` version to `0.2.0` (#1235)

diff --git a/version.bzl b/version.bzl
index fda62ea..5548e55 100644
--- a/version.bzl
+++ b/version.bzl
@@ -1,3 +1,3 @@
 """The version of rules_rust."""
 
-VERSION = "0.1.0"
+VERSION = "0.2.0"