Bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docker-build-acr.yml

@@ -71,7 +71,7 @@ jobs:
 
       - name: 📊 Subir reporte Trivy como artefacto
         if: always()                 # 📁 se sube aunque falle
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: trivy-report
           path: trivy-report.txt

.github/workflows/dotnet-ci.yml

@@ -56,7 +56,7 @@ jobs:
 
       - name: 📊 Subir resultados de prueba
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: test-results
           path: ./TestResults
@@ -65,7 +65,7 @@ jobs:
         run: dotnet publish "$SOLUTION_PATH" -c Release -o ./publish
 
       - name: 📤 Subir artefacto de build
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: backend-artifact
           path: ./publish