feat: normalize tsconfigPath in environment configuration

[chenjiahan]

Summary

Normalize the source.tsconfigPath in environment configuration:

api.modifyRspackConfig((config, { environment }) => {
  console.log(environment.config.source.tsconfigPath); // -> Now is absolute path
  return config;
});

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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