feat: add config option to allow disabling Basic authentication

[guqing]

What type of PR is this?

/milestone 2.20.x
/area core
/kind improvement

What this PR does / why we need it:

允许通过 halo.security.basic-auth.disabled=true 配置来禁用 Basic Auth 认证

Which issue(s) this PR fixes:

Fixes #5408

Does this PR introduce a user-facing change?

允许通过 `halo.security.basic-auth.disabled=true` 配置来禁用 Basic Auth 认证，在 2.20 版本生产环境下默认禁用了 Basic Auth

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 57.99%. Comparing base (982a45b) to head (4a7159a).
Report is 22 commits behind head on main.

Files with missing lines	Patch %	Lines
...halo/app/infra/config/WebServerSecurityConfig.java	75.00%	0 Missing and 1 partial ⚠️
.../halo/app/infra/properties/SecurityProperties.java	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6689      +/-   ##
============================================
- Coverage     58.29%   57.99%   -0.31%     
- Complexity     3963     3978      +15     
============================================
  Files           680      696      +16     
  Lines         23338    23521     +183     
  Branches       1584     1569      -15     
============================================
+ Hits          13604    13640      +36     
- Misses         9108     9258     +150     
+ Partials        626      623       -3     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[ruibaby]

/lgtm

[guqing]

⚠️ 此 PR 属于破坏性更新，生产环境下默认禁用了 Basic Auth

[JohnNiang]

/approve

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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