build(deps): bump actions/upload-artifact from 2 to 3 (#287)

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>

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

.github/workflows/sphinx-tuttest.yml

@@ -68,7 +68,7 @@ jobs:
       - name: Build examples
         run: bash .github/scripts/build-examples.sh ${{matrix.fpga-fam}} ${{matrix.example}}
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: f4pga-examples-bitstreams
           path: |
@@ -135,7 +135,7 @@ jobs:
       - name: Build examples
         run: bash .github/scripts/build-examples.sh ${{matrix.fpga-fam}} ${{matrix.example}}
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: f4pga-examples-bitstreams-systemverilog-plugin
           path: |