fix(artifacts): flatten artifact structure (#23)

Author: ReenigneArcher

.github/workflows/copr-ci.yml

@@ -238,5 +238,5 @@ jobs:
           find . -type f -name "*.rpm" ! -name "*.src.rpm" | while read -r file; do
             name=build-$(basename "$file")
             echo "Uploading $name, file: $file"
-            zip - "$file" | gh-actions-artifact-client.js upload "${name}" --retentionDays=7
+            zip -j - "$file" | gh-actions-artifact-client.js upload "${name}" --retentionDays=7
           done