chore: upgrade to webpackbar 3.1.2

[pi0]

Hi!
I'm so excited to see webpackbar is being used for ant-design build system! There were minor inconsistencies by one of the 3.x patches that caused an error reported in unjs/webpackbar#30 (Related commit 5204b45) (Sorry for that 🙏) After that I tried to personally investigate some inconsistencies and finally with 3.1.2 not only problem resolved, but webpackbar is much stable with concurrent logs!

IMPORTANT: As antd-tools is a dep of this repository and also uses webpackbar, ant-design/antd-tools#81 should be better applied and published first.

• Make sure that you propose PR to right branch: bugfix for master, feature for branch feature.
• Make sure that you follow antd's code convention.
• Run npm run lint and fix those errors before submitting in order to keep consistent code style.
• Rebase before creating a PR to keep commit history clear.
• Add some descriptions and refer relative issues for you PR.

Extra checklist:

if isBugFix :

• Make sure that you add at least one unit test for the bug which you had fixed.

elif isNewFeature :

• Update API docs for the component.
• Update/Add demo to demonstrate new feature.
• Update TypeScript definition for the component.
• Add unit tests for the feature.

[netlify]

Deploy preview for ant-design ready!

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[afc163]

😂 Thx for sending PR and loves your work~ @pi0