ci(action): update actions/upload-artifact action to v6 (#106)

Co-authored-by: descope[bot] <107609351+descope[bot]@users.noreply.github.com>

Author: descope[bot]

.github/workflows/ci.yaml

@@ -28,7 +28,7 @@ jobs:
           npm run build
       - run: |
           zip -qq -9 -vr s3-cloudflare-purge.zip ./dist/*
-      - uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+      - uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: s3-cloudflare-purge
           path: s3-cloudflare-purge.zip