Lower build system version

Author: AntonKozlov

.github/workflows/ccpp.yml

@@ -35,7 +35,7 @@ jobs:
           -v /home/runner:/home/runner
           -u $(id -u):$(id -g)
           --entrypoint tail
-          docker.pkg.github.com/crac/docker-build/image:latest
+          docker.pkg.github.com/crac/docker-build/image:ubuntu-16.04
           -f /dev/null
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}