build(deps): bump nvidia/k8s-dra-driver-gpu in /deployments/container

Bumps [nvidia/k8s-dra-driver-gpu](https://github.com/NVIDIA/k8s-dra-driver-gpu) from v25.12.0-dev-839e966a to v26.4.0-dev-13658f51.
- [Release notes](https://github.com/NVIDIA/k8s-dra-driver-gpu/releases)
- [Commits](https://github.com/NVIDIA/k8s-dra-driver-gpu/commits)

---
updated-dependencies:
- dependency-name: nvidia/k8s-dra-driver-gpu
  dependency-version: v26.4.0-dev-13658f51
  dependency-type: direct:production
...

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

Author: dependabot[bot]

deployments/container/Dockerfile

@@ -104,7 +104,7 @@ RUN --mount=type=cache,target=/mc/go/build-cache,id=gocache \
 # RUN cd /bashbuild/bash-static/releases && ./bash*-static --version && mv bash-*-static /bashbuild/bash && file /bashbuild/bash
 
 # option 2:
-FROM ghcr.io/nvidia/k8s-dra-driver-gpu:v25.12.0-dev-839e966a AS bash
+FROM ghcr.io/nvidia/k8s-dra-driver-gpu:v26.4.0-dev-13658f51 AS bash
 
 # Pull the nvidia-cdi-hook binary out of the relevant toolkit container
 # (arch: TARGETPLATFORM, set via --platform).