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] <support@github.com>

Author: dependabot[bot]

.github/workflows/stage-build.yml

@@ -32,7 +32,7 @@ jobs:
         run: python -m build
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ inputs.os }}
           path: dist/

.github/workflows/stage-device-tests.yml

@@ -49,7 +49,7 @@ jobs:
 
       - name: Upload SSH test results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: benchmark-results-ssh-${{ inputs.os }}
           path: experiments/results/
@@ -92,7 +92,7 @@ jobs:
 
       - name: Upload results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: benchmark-results-adb-${{ inputs.os }}
           path: experiments/results/