docs(docs-infra): replace link by HTTPsecurity tab

[vladboisa]

Replace a broke link by content of HTTP Client Security Tab.

Fixes #54918 & #54922

By the pull #54941, replace a content in HTTP Client Security tab in Best Practices

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/main/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• angular.io application / infrastructure changes
• Other... Please describe:

What is the current behavior?

Issue Number: #54918 & #54922

What is the new behavior?

By the pull #54941, replace a content in HTTP Client Security tab in Best Practices

Does this PR introduce a breaking change?

• Yes
• No

Other information

[JeanMeche]

cc @bencodezen

[github-actions]

Deployed adev-preview for f936590 to: https://ng-dev-previews-fw--pr-angular-angular-55029-adev-prev-65xx8xr6.web.app

Note: As new commits are pushed to this pull request, this link is updated after the preview is rebuilt.

[bencodezen]

Thanks for the PR @vladboisa!

[dylhunn]

This PR was merged into the repository by commit 42eab69.

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