Bump actions/upload-artifact from v2.1.3 to v2.1.4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from v2.1.3 to v2.1.4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2.1.3...5874080)

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

.github/workflows/docs.yml

@@ -34,7 +34,7 @@ jobs:
           echo "::add-matcher::.github/matchers/sphinx.json"
           ./ci/run-docs
           echo "::remove-matcher owner=sphinx::"
-      - uses: actions/upload-artifact@v2.1.3
+      - uses: actions/upload-artifact@v2.1.4
         with:
           name: Documentation
           path: docs/_build/html
@@ -65,7 +65,7 @@ jobs:
           echo "::add-matcher::.github/matchers/sphinx-linkcheck.json"
           sed 's@^@docs/@' docs/_build/linkcheck/output.txt
           echo "::remove-matcher owner=sphinx::"
-      - uses: actions/upload-artifact@v2.1.3
+      - uses: actions/upload-artifact@v2.1.4
         if: always()
         with:
           name: Linkcheck report

.github/workflows/test.yml

@@ -140,7 +140,7 @@ jobs:
         run: |
           curl https://deepsource.io/cli | sh
           ./bin/deepsource report --analyzer test-coverage --key python --value-file ./coverage.xml
-      - uses: actions/upload-artifact@v2.1.3
+      - uses: actions/upload-artifact@v2.1.4
         if: always()
         with:
           name: Screenshots