Update publish-to-pypi.yml workflow (#8)

Author: idapena

.github/workflows/publish-to-pypi.yml

@@ -26,7 +26,7 @@ jobs:
         run: python -m build
 
       - name: Store the distribution packages
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: python-package-distributions
           path: dist/
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Download all the dists
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package-distributions
           path: dist/

docs/release-notes.md

@@ -19,6 +19,7 @@ hide:
 ##### Changed
 
 - Updated the lower bound variable definition in `pulp_engine` to set it to `None` when `-inf` is specified as the lower bound.
+- Upgraded the `download-artifact` and `cache` actions to `v4` in the `publish-to-pypi.yml` workflow.
 
 ##### Fixed