build: bump grpcio from 1.68.1 to 1.69.0 in the grpc-deps group

Bumps the grpc-deps group with 1 update: [grpcio](https://github.com/grpc/grpc).


Updates `grpcio` 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
  dependency-group: grpc-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -76,7 +76,7 @@ doc = [
     "ansys-mapdl-reader==0.54.2",
     "ansys-sphinx-theme==1.2.4",
     "ansys-tools-visualization-interface==0.6.2",
-    "grpcio==1.68.1",
+    "grpcio==1.69.0",
     "imageio-ffmpeg==0.5.1",
     "imageio==2.36.1",
     "jupyter_sphinx==0.5.3",