Dockerfile: Use CI image v0.26.15 as base image#11

stephanosio merged 1 commit intozephyrproject-rtos:mainzephyrproject-rtos/docker-ci-repo-cache:mainfrom

stephanosio:base-v0.26.15stephanosio/zephyr-docker-ci-repo-cache:base-v0.26.15Copy head branch name to clipboard