Bump component-graph version to 0.4 (#1400)

Author: Marenz

RELEASE_NOTES.md

@@ -1,17 +1,5 @@
 # Frequenz Python SDK Release Notes
 
-## Summary
-
-<!-- Here goes a general summary of what this release is about -->
-
 ## Upgrading
 
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
-
-## New Features
-
-<!-- Here goes the main new features and examples or instructions on how to use them -->
-
-## Bug Fixes
-
-<!-- Here goes notable bug fixes that are worth a special mention or explanation -->
+- The minimum required version of frequenz-microgrid-component-graph is now 0.4.

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
   # changing the version
   # (plugins.mkdocstrings.handlers.python.import)
   "frequenz-client-microgrid >= 0.18.1, < 0.19.0",
-  "frequenz-microgrid-component-graph >= 0.3.4, < 0.4",
+  "frequenz-microgrid-component-graph >= 0.4, < 0.5",
   "frequenz-client-common >= 0.3.6, < 0.4.0",
   "frequenz-channels >= 1.6.1, < 2.0.0",
   "frequenz-quantities[marshmallow] >= 1.0.0, < 2.0.0",