Bump types-protobuf from 6.30.2.20250703 to 6.30.2.20250822 (#186)

Bumps
[types-protobuf](https://github.com/typeshed-internal/stub_uploader)
from 6.30.2.20250703 to 6.30.2.20250822.
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Author: llucax

pyproject.toml

@@ -75,7 +75,7 @@ dev-mypy = [
   "mypy == 1.17.1",
   "grpc-stubs == 1.53.0.6",
   "types-Markdown == 3.8.0.20250809",
-  "types-protobuf == 6.30.2.20250703",
+  "types-protobuf == 6.30.2.20250822",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-microgrid[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]