ci(packages): add default docker-build for case %ci:no-build

Author: truboxl

.github/workflows/packages.yml

@@ -71,6 +71,7 @@ jobs:
           # Forces CI to cancel current build with status 'passed'
           if grep -qiP '^\s*%ci:no-build\s*$' <(git log --format="%B" -n 1 --no-merges "HEAD"); then
             tar cf artifacts/debs-${{ matrix.target_arch }}.tar debs
+            echo "docker-build=true" >> $GITHUB_OUTPUT
             echo "[!] Force exiting as tag '%ci:no-build' was applied to HEAD commit message."
             exit 0
           fi