feat(resolve): support custom exports fields

[bvanjoi]

Related issue (if exists)

Summary

🤖 Generated by Copilot at 9e42b02

Added support for custom exports fields in module resolution options for both Rust and webpack. Updated nodejs-resolver dependency and added a new test case for exports-fields. Removed an unused test file.

Walkthrough

🤖 Generated by Copilot at 9e42b02

• Update nodejs-resolver dependency to version 0.0.84 (link)
• Add export_fields field to RawResolveOptions struct and map it to exports_field field in ResolveOptions struct (link, link, link)
• Add exports_field field to ResolveOptions struct and assign it a default value of [["exports"]] (link, link)
• Pass exports_field field to Resolve::new function and merge it with base and other options (link, link, link)
• Add exportsFields field to webpack configuration and validate it with resolve schema (link, link, link)
• Add exports-fields test case to test resolving modules with different exports fields (link, link, link)
• Delete test.config.js file from resolve/conditions test case (link)