Actually fix dependabot builds (rjsf-team#1948)

🤦

Author: epicfaace

netlify.toml

@@ -3,7 +3,7 @@
  publish = "packages/playground/build"
  command = "npm run build"
  # Ignore dependabot PRs for deploy previews
- ignore = "./dependabot-ignore.sh"
+ ignore = "./netlify-ignore.sh"
 
 [build.environment]
  SHOW_NETLIFY_BADGE = "true"