Bump actions/upload-artifact from 2 to 3 (#366)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2...v3)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/zephyr.yml

@@ -28,7 +28,7 @@ jobs:
 #        run: |
 #          ../zephyr/scripts/twister -T ../zephyr/tests/misc/test_build
       - name: Archive firmware
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: firmware
           path: bacnet-stack/build/zephyr/zephyr.*