Increment render node version for variantOverrides

Increments the patch value of the render node schema to 0.2.0 to account
for addition of the top-level `variantOverrides` property.

Author: franklinsch

src/utils/schema-version-check.js

@@ -10,7 +10,7 @@
 
 export const CURRENT_SUPPORTED_SCHEMA = {
   major: 0,
-  minor: 1,
+  minor: 2,
   patch: 0,
 };