removed dch bause it changes the changelog

build_debian.sh

@@ -2,7 +2,6 @@
 set -eu -o pipefail
 sudo apt update
 sudo mk-build-deps -iBrt 'apt -o Debug::pkgProblemResolver=yes --no-install-recommends -y'
-DEBEMAIL=build@$(hostname).podman gbp dch
 gbp buildpackage '--diff-ignore=.*' --no-sign
 mkdir -p packages
 cp ../*.deb packages