feat: add email field for signup

[ruibaby]

What type of PR is this?

/area console
/kind feature
/milestone 2.11.x

What this PR does / why we need it:

Add email field for signup

Does this PR introduce a user-facing change?

用户注册新增电子邮箱字段。

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (457e059) 56.88% compared to head (135754c) 56.88%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #4899   +/-   ##
=========================================
  Coverage     56.88%   56.88%           
  Complexity     2975     2975           
=========================================
  Files           514      514           
  Lines         16912    16912           
  Branches       1273     1273           
=========================================
  Hits           9621     9621           
  Misses         6750     6750           
  Partials        541      541           

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[guqing]

/lgtm

[JohnNiang]

/approve

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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Needs approval from an approver in each of these files:

• console/OWNERS [JohnNiang]

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