chore(deps): bump grpcio from 1.67.0 to 1.73.0

Bumps [grpcio](https://github.com/grpc/grpc) from 1.67.0 to 1.73.0.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](https://github.com/grpc/grpc/compare/v1.67.0...v1.73.0)

---
updated-dependencies:
- dependency-name: grpcio
  dependency-version: 1.73.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -8,7 +8,7 @@ djangorestframework==3.16.0
 channels==4.2.2
 channels-redis==4.2.1
 celery==5.5.2
-grpcio==1.67.0
+grpcio==1.73.1
 googleapis-common-protos==1.70.0
 grpcio-tools==1.67.0
 numpy==1.26.4