Upgrade dependencies for updated gRPC streaming API

- Bumped `frequenz-api-electricity-trading` to `>=0.5.0`
- Updated `protobuf` to `>=5.29.2`

Signed-off-by: camille-bouvy-frequenz <[email protected]>

Author: camille-bouvy-frequenz

pyproject.toml

@@ -34,8 +34,8 @@ dependencies = [
   "frequenz-channels >= 1.6.1, < 2",
   "frequenz-client-base >= 0.9.0, < 0.10.0",
   "frequenz-client-common >= 0.1.0, < 0.3.0",
-  "frequenz-api-electricity-trading >= 0.2.4, < 1",
-  "protobuf >= 5.28.0, < 6",
+  "frequenz-api-electricity-trading >= 0.5.0, < 0.6.0",
+  "protobuf >= 5.29.2, < 7",
 ]
 dynamic = ["version"]