⬆ Bump actions/upload-artifact from 3 to 4

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

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

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

.github/workflows/build-docs.yml

@@ -77,7 +77,7 @@ jobs:
       - name: Build Docs with Insiders
         if: github.event_name != 'pull_request' || github.secret_source == 'Actions'
         run: python -m poetry run mkdocs build --config-file mkdocs.insiders.yml
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: docs-site
           path: ./site/**

.github/workflows/test.yml

@@ -64,7 +64,7 @@ jobs:
           COVERAGE_FILE: coverage/.coverage.${{ runner.os }}-py${{ matrix.python-version }}
           CONTEXT: ${{ runner.os }}-py${{ matrix.python-version }}
       - name: Store coverage files
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: coverage
@@ -94,7 +94,7 @@ jobs:
       - run: coverage html --show-contexts --title "Coverage for ${{ github.sha }}"
 
       - name: Store coverage HTML
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-html
           path: htmlcov