devops: Add build-essential to Ubuntu 26.04 image (#17531)

This is no longer passing the build, needs more packages.

Signed-off-by: Eric Curtin <eric.curtin@docker.com>

.devops/vulkan.Dockerfile

@@ -50,6 +50,7 @@ WORKDIR /app
 
 RUN apt-get update \
     && apt-get install -y \
+    build-essential \
     git \
     python3 \
     python3-pip \