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+# Implementation Plan for Issue #21
+
+## Issue: test packages does not work
+
+## Plan
+
+Here is an implementation plan for the issue "test packages does not work":
+
+- [ ] Update `actions/upload-artifact` to version 4.0.0 or higher in the pipeline configuration file (e.g., `.github/workflows/main.yml`).
+- [ ] Run a test build to verify that the updated version of `actions/upload-artifact` works as expected.
+- [ ] Update any documentation or examples that reference the deprecated version of `actions/upload-artifact`.
+- [ ] Create a new release for the repository with the updated `actions/upload-artifact` version.
+- [ ] Notify the development team and stakeholders about the update to `actions/upload-artifact`.