Fix the SDK version specification and upgrade to rc601

Remove wrong `v` prefix and `-` separator from the SDK version
specification.

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

Author: llucax

pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
   # Make sure to update the version for cross-referencing also in the
   # mkdocs.yml file when changing the version here (look for the config key
   # plugins.mkdocstrings.handlers.python.import)
-  "frequenz-sdk == v1.0.0-rc6",
+  "frequenz-sdk == 1.0.0rc601",
   "frequenz-channels >= 1.0.1, < 2.0.0",
   "frequenz-api-dispatch >= 0.13.0, < 0.14",
   "frequenz-client-dispatch >= 0.2.0, < 0.3.0",