Add dependency to frequenz-client-microgrid

We'll start to use the new external microgrid client instead of the
internal one.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

pyproject.toml

@@ -31,6 +31,7 @@ dependencies = [
   # changing the version
   # (plugins.mkdocstrings.handlers.python.import)
   "frequenz-channels == 1.0.0b2",
+  "frequenz-client-microgrid >= 0.1.2, < 0.2.0",
   "google-api-python-client >= 2.71, < 3",
   "grpcio >= 1.54.2, < 2",
   "grpcio-tools >= 1.54.2, < 2",