Merge pull request #9729 from circleci/blobless-checkout-as-default

Update default value to be blobless for checkout method key

Author: rosieyohannan

docs/reference/modules/ROOT/pages/configuration-reference.adoc

@@ -1681,7 +1681,7 @@ A special step used to check out source code to the configured `path` (defaults
 | `method`
 | N
 | String
-| Checkout method. Valid options include `blobless` and `full`. (default: `full`)
+| Checkout method. Valid options include `blobless` and `full`. (default: `blobless`)
 
 | `path`
 | N