Merge pull request #180 from frequenz-floss/dependabot/pip/protobuf-6.33.5

Bump protobuf from 6.32.1 to 6.33.5

Author: frequenz-auto-dependabot[bot]

pyproject.toml

@@ -10,7 +10,7 @@ requires = [
   # sure the code is generated using the minimum supported versions, as older
   # versions can't work with code that was generated with newer versions.
   # https://protobuf.dev/support/cross-version-runtime-guarantee/#backwards
-  "protobuf == 6.32.1",
+  "protobuf == 6.33.5",
   "grpcio-tools == 1.72.1",
   "grpcio == 1.72.1",