fix(deps): bump ffi-napi from 4.0.2 to 4.0.3 (#201)

Bumps [ffi-napi](https:/node-ffi-napi/node-ffi-napi) from 4.0.2 to 4.0.3.
- [Release notes](https:/node-ffi-napi/node-ffi-napi/releases)
- [Changelog](https:/node-ffi-napi/node-ffi-napi/blob/master/CHANGELOG.md)
- [Commits](node-ffi-napi/node-ffi-napi@v4.0.2...v4.0.3)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>