`packageMode` option is only effective when `mode` is not set

[hyoban]

Describe the bug

https://github.com/antfu/taze/blob/97b2a4a18e1faa6b79310354709923a4d01ddacb/src/io/resolves.ts#L184-L188

Not sure if it's a bug or design

Reproduction

https://stackblitz.com/edit/stackblitz-starters-hjqpp7?file=taze.config.js

System Info

System:
    OS: macOS 14.1.1
    CPU: (8) arm64 Apple M1 Pro
    Memory: 74.67 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.18.2 - ~/.nvm/versions/node/v18.18.2/bin/node
    Yarn: 1.22.19 - ~/.nvm/versions/node/v18.18.2/bin/yarn
    npm: 9.8.1 - ~/.nvm/versions/node/v18.18.2/bin/npm
    pnpm: 8.4.0 - ~/.nvm/versions/node/v18.18.2/bin/pnpm
  Browsers:
    Chrome: 119.0.6045.159
    Safari: 17.1

Used Package Manager

pnpm

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