Bump grpcio from 1.68.1 to 1.69.0

Bumps [grpcio](https://github.com/grpc/grpc) from 1.68.1 to 1.69.0.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.68.1...v1.69.0)

---
updated-dependencies:
- dependency-name: grpcio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -10,7 +10,7 @@ python = "^3.11"
 locust = "^2.32.5"
 pandas = "^2.2.3"
 google-cloud-storage = "^2.18.2"
-grpcio = "^1.66.1"
+grpcio = "^1.69.0"
 pyarrow = "^18.0.0"
 pinecone = {version = "^5.0", extras = ["grpc"]}
 tabulate = "^0.9.0"