build: Use pre-built docker container for tools
This avoids pulling external images and also speeds up ci as we no longer need to install the tools.
Signed-off-by: Guido Günther agx@sigxcpu.org
This avoids pulling external images and also speeds up ci as we no longer need to install the tools.
Signed-off-by: Guido Günther agx@sigxcpu.org