Bump frequenz-sdk from 1.0.0rc601 to 1.0.0rc700

Bumps [frequenz-sdk](https://github.com/frequenz-floss/frequenz-sdk-python) from 1.0.0rc601 to 1.0.0rc700.
- [Release notes](https://github.com/frequenz-floss/frequenz-sdk-python/releases)
- [Changelog](https://github.com/frequenz-floss/frequenz-sdk-python/blob/v1.x.x/RELEASE_NOTES.md)
- [Commits](frequenz-floss/frequenz-sdk-python@v1.0.0-rc601...v1.0.0rc700)

---
updated-dependencies:
- dependency-name: frequenz-sdk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

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 == 1.0.0rc601",
+  "frequenz-sdk == 1.0.0rc700",
   "frequenz-channels >= 1.0.1, < 2.0.0",
   "frequenz-client-dispatch >= 0.5.0, < 0.6.0",
 ]