fix(versions): cli + api use a single base version

That way we get rid of the duplication at least.
Probably it would be enough to just refer to version 1 of the
library respectively, and let semver do the rest.

etc/api/type-cli.yaml

@@ -23,7 +23,6 @@ make:
     - source: main.rs
       output_dir: src
 cargo:
-  build_version: "1.0.0"
   keywords: [cli]
   is_executable: YES
   doc_base_url: http://byron.github.io/google-apis-rs