Bump actions/upload-artifact from v1 to v2.2.2

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from v1 to v2.2.2.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v1...e448a9b857ee2131e752b06002bf0e093c65e571)

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

.github/workflows/build.yml

@@ -132,7 +132,7 @@ jobs:
 
       # Upload plugin artifact to make it available in the next jobs
       - name: Upload artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v2.2.2
         with:
           name: plugin-artifact
           path: ./build/distributions/${{ steps.properties.outputs.artifact }}