Merge pull request #748 from PHPCSStandards/dependabot/github_actions/actions/upload-artifact-6.0.0

GH Actions: Bump actions/upload-artifact from 5.0.0 to 6.0.0

Author: jrfnl

.github/workflows/update-docs.yml

@@ -113,7 +113,7 @@ jobs:
       # Retention is normally 90 days, but this artifact is only for reviewing
       # and debugging the generated files for the website.
       - name: Upload the generated files
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: generated-files
           path: ./docs/