(maint) Update actions/upload-artifact action to v4

Author: renovate[bot]

.github/workflows/build.yml

@@ -73,15 +73,15 @@ jobs:
           cake-version: 1.3.0
       # currently, Cake.Recipe does not upload artifacts when run on gh-actions
       - name: Upload Issues
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: warn
           name: ${{ matrix.os }} Issues
           path: |
             BuildArtifacts/report.html
             BuildArtifacts/**/coverlet/*.xml
       - name: Upload Packages
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: runner.os == 'Windows'
         with:
           if-no-files-found: warn