Bump actions/upload-artifact from 3 to 4 (#974)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3...v4)

---
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/tests.yml

@@ -185,7 +185,7 @@ jobs:
       - name: Upload coverage data
         # pin to upload coverage from only one matrix entry, otherwise coverage gets confused later
         if: matrix.upload_coverage
-        uses: "actions/upload-artifact@v4.3.0"
+        uses: "actions/upload-artifact@v4"
         # this action doesn't seem to respect working-directory so include working-directory value in path
         with:
           name: coverage-data
@@ -193,14 +193,14 @@ jobs:
 
       # - name: Upload documentation
       #   if: matrix.session == 'docs-build'
-      #   uses: actions/upload-artifact@v3
+      #   uses: actions/upload-artifact@v4
       #   with:
       #     name: docs
       #     path: docs/_build
       #
       - name: Upload logs
         if: failure() && matrix.session == 'tests'
-        uses: "actions/upload-artifact@v3"
+        uses: "actions/upload-artifact@v4"
         with:
           name: logs-${{matrix.python}}-${{matrix.os}}-${{matrix.database}}
           path: "./spiffworkflow-backend/log/*.log"
@@ -311,7 +311,7 @@ jobs:
           mkdir -p ./pr
           echo "$PR_NUMBER" > ./pr/pr_number
       - name: Upload PR number as artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ github.event_name == 'pull_request' }}
         with:
           name: pr_number
@@ -426,21 +426,21 @@ jobs:
         run: ./bin/get_logs_from_docker_compose >./log/docker_compose.log
       - name: Upload logs
         if: failure()
-        uses: "actions/upload-artifact@v3"
+        uses: "actions/upload-artifact@v4"
         with:
           name: spiffworkflow-backend-logs
           path: "./spiffworkflow-backend/log/*.log"
 
       #  https://github.com/cypress-io/github-action#artifacts
       - name: upload_screenshots
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: failure()
         with:
           name: cypress-screenshots
           path: ./spiffworkflow-frontend/cypress/screenshots
       # Test run video was always captured, so this action uses "always()" condition
       - name: upload_videos
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: failure()
         with:
           name: cypress-videos