Bump actions/upload-artifact from 3.1.0 to 4.0.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3.1.0 to 4.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3.1.0...v4.0.0)

---
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.yml

@@ -43,7 +43,7 @@ jobs:
           ./bin/php7/bin/php -dphar.readonly=0 PharBuilder/await-generator.phar PharBuilder/NGPlots.phar
           echo Build completed!
       - name: Upload
-        uses: actions/upload-artifact@v3.1.0
+        uses: actions/upload-artifact@v4.0.0
         with:
           name: NGPlots
           path: PharBuilder/NGPlots.phar