CI: fix creation of empty artifacts archive when %ci:no-build is set

.github/workflows/packages.yml

@@ -56,6 +56,7 @@ jobs:
         # Process tag '%ci:no-build' that may be added as line to commit message.
         # Forces CI to cancel current build with status 'passed'.
         if grep -qiP '^\s*%ci:no-build\s*$' <(git log --format="%B" -n 1 "HEAD"); then
+          tar cf artifacts/debs-${{ matrix.target_arch }}.tar debs
           echo "[!] Force exiting as tag '%ci:no-build' was applied to HEAD commit message."
           exit 0
         fi