Bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...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] <[email protected]>

Author: dependabot[bot]

.github/workflows/eshoponweb-cicd.yml

@@ -36,14 +36,14 @@ jobs:
           zip -r ../app.zip .
       # upload the published website code artifacts
       - name: Upload artifact for deployment job
-        uses: actions/upload-artifact@v5
+        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@v5
+        uses: actions/upload-artifact@v6
         with:
           name: bicep-template
           path: ${{ env.TEMPLATE-FILE }}