reproduction: https://stackblitz.com/github/hi-ogawa/reproductions/tree/main/tinyglobby-dot-dot-ignore?file=repro.mjs
potentially related: vitest-dev/vitest#6600 (however this behavior seems same for v0.2.6, so not sure)

When using a combination of leading ../ pattern and ignore, it requires .. on ignore side pattern as well. For example:

 glob(["../b/**/*.txt"], {
    ignore: [
       // [not ok]
       "**/ignore/**",
       // [ok] 
       "../**/ignore/**"
     ],
  })

I compared it with fast-glob and it actually works same, so I'm not sure what's the best behavior though.