Bump actions/upload-artifact from 3 to 4 (#18)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/.github/workflows/yetus.yml b/.github/workflows/yetus.yml
index f589e18..37bc13e 100644
--- a/.github/workflows/yetus.yml
+++ b/.github/workflows/yetus.yml
@@ -38,7 +38,7 @@
           githubtoken: ${{ secrets.GITHUB_TOKEN }}
       - name: Artifact output
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: apacheyetuspatchdir
           path: ${{ github.workspace }}/out