(build) Update to artifacts v4

As per documentation here:

https://github.blog/changelog/2024-02-13-deprecation-notice-v1-and-v2-of-the-artifact-actions/

Author: gep13

.github/workflows/build.yml

@@ -67,14 +67,14 @@ jobs:
           cake-version: tool-manifest
 
       - name: Upload Issues-Report
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: warn
           name: ${{ matrix.os }} issues
           path: BuildArtifacts/report.html
 
       - name: Upload Packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         if: runner.os == 'Windows'
         with:
           if-no-files-found: warn