publish multi-platform docker builds

test -n "${VERSION}"

git checkout main

git pull

git submodule update --init

git checkout "${VERSION}"

git submodule update --init

docker build --no-cache -t hafas-m:${VERSION} .

docker build -t hafas-m:latest .

docker tag hafas-m:${VERSION} derfnull/dbris-m:${VERSION}

docker tag hafas-m:latest derfnull/dbris-m:latest

docker push derfnull/hafas-m:${VERSION}

docker push derfnull/hafas-m:latest

docker buildx build --push --no-cache --platform linux/amd64,linux/arm64 --tag derfnull/hafas-m:${VERSION} --tag derfnull/hafas-m:latest .