chore(cargo): compilation without local overrides

Also checked in code for groupsmigration to allow others to test it
simply by checking out the right commit.

etc/api/type-cli.yaml

@@ -27,7 +27,9 @@ cargo:
   is_executable: YES
   dependencies:
     - strsim = "*"
-    - yup-hyper-mock = "*"
-    - serde = ">= 0.3.0"
-    - serde_macros = "*"
     - clap = "*"
+    - |
+      [dependencies.yup-hyper-mock]
+        version = "*"
+        git = "https://github.com/Byron/yup-hyper-mock"
+        rev = "ee56de4dead136b3ca5a3eda6ca7057f9074e261"