repo: Add format task and enforce in CI

CI runs all tasks, if we add the formatting task, it is enforced.

Signed-off-by: Pieter De Gendt <[email protected]>

Author: pdgendt

.github/workflows/format.yml

@@ -114,5 +114,6 @@ env = {PYTHONIOENCODING = "utf-8"}
 
 [tool.poe.tasks]
 lint = "ruff check ."
+format = "ruff format --check ."
 types = "mypy --package west"
-all = ["test", "lint", "types"]
+all = ["test", "lint", "format", "types"]