Add before and after security web filters

[JohnNiang]

What type of PR is this?

/kind feature
/kind api-change
/area core
/area plugin

What this PR does / why we need it:

This PR adds BeforeSecurityWebFilter and AfterSecurityWebFilter extension points. See halo-sigs/plugin-page-cache#4 (comment) for more.

Now, we can do something before and after authenticating.

Does this PR introduce a user-facing change?

添加认证授权的前置和后置处理器扩展点

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.28%. Comparing base (bc10336) to head (1390d76).
Report is 70 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6297      +/-   ##
============================================
+ Coverage     54.51%   58.28%   +3.77%     
- Complexity     3523     3763     +240     
============================================
  Files           646      647       +1     
  Lines         21862    21967     +105     
  Branches       1528     1541      +13     
============================================
+ Hits          11917    12804     +887     
+ Misses         9328     8545     -783     
- Partials        617      618       +1     

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[guqing]

/lgtm

[f2c-ci-robot]

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