Fix windows build

[wemeetagain]

• I don't know why the windows binding is failing to load. https://github.com/ChainSafe/lodestar-bun/actions/runs/18101091786/job/51503942105?pr=12#step:8:11
  • Failed to load library D:\a\lodestar-bun\lodestar-bun\zig-out\lib\lodestar_z_bun.lib
• I confirmed the library exists and is named properly here: https://github.com/ChainSafe/lodestar-bun/actions/runs/18100859450/job/51503160376?pr=12#step:8:13

     Directory: D:\a\lodestar-bun\lodestar-bun\zig-out\lib

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a---           9/29/2025  2:11 PM          31244 lodestar_z_bun.lib

• bun-ffi-z updated to receive the proper name / suffix chore(main): release bun-ffi-z 1.1.4 bun-ffi-z#18

Originally posted by @wemeetagain in #12 (comment)