Bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/eshoponweb-cicd.yml

@@ -37,14 +37,14 @@ jobs:
         zip -r ../app.zip .
     # upload the published website code artifacts
     - name: Upload artifact for deployment job
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: .net-app
         path: ${{env.DOTNET_ROOT}}/app.zip
 
     # upload the bicep template as artifacts for next job
     - name: Upload artifact for deployment job
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: bicep-template
         path: ${{ env.TEMPLATE-FILE }}