chore(deps-dev): bump types-protobuf from 6.32.1.20251105 to 6.32.1.20260221 (#252)

Bumps
[types-protobuf](https://github.com/typeshed-internal/stub_uploader)
from 6.32.1.20251105 to 6.32.1.20260221.
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Author: daniel-zullo-frequenz

pyproject.toml

@@ -85,7 +85,7 @@ dev-mypy = [
   "grpc-stubs == 1.53.0.6",
   "pandas-stubs == 2.3.3.260113",
   "types-Markdown == 3.10.0.20251106",
-  "types-protobuf == 6.32.1.20251105",
+  "types-protobuf == 6.32.1.20260221",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-electricity-trading[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]