Removed spress from static site generators, bad URL

Repo: https://github.com/Yoast/PHPUnit-Polyfills/
Packagist: https://packagist.org/packages/yoast/phpunit-polyfills

Full disclosure: I'm the maintainer of the package. Yes, I did read the contributing guide, so I'll make my case ;-)

* Used by > [35K dependents](https://github.com/Yoast/PHPUnit-Polyfills/network/dependents)
* Over [20M downloads via Packagist](https://packagist.org/packages/yoast/phpunit-polyfills/stats)
* Used by [popular packages on the list](https://packagist.org/packages/yoast/phpunit-polyfills/dependents?order_by=downloads), including WordPress.
* [Recommended by the author of PHPUnit itself](https://phpunit.de/supported-versions.html) for running tests on multiple PHPUnit versions.

Co-authored-by: jrfnl <jrfnl@users.noreply.github.com>

PHP_CodeSniffer is under new management since December last year.
See: https://github.com/squizlabs/PHP_CodeSniffer/issues/3932

The package is now maintained in the https://github.com/PHPCSStandards/PHP_CodeSniffer repo.

* Fix to use the official name.
* Remove the version reference. Version 3 was released four years ago.
* Point the link to the official website, not the GH repo.

Adding "Program With Gio | PHP 8 course by Gio" to the PHP Videos list.

Doesn't seem to be maintained.

Co-authored-by: Alexander Kartavenko <askemailbox@gmail.com>

* Add Ganesha - PHP implementation of Circuit Breaker pattern.

* Move: HTTP -> Miscellaneous

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Co-authored-by: Alexander Kartavenko <askemailbox@gmail.com>

Official documentation says: "we no longer recommend that you begin new projects with Lumen".
https://lumen.laravel.com/docs/10.x#installation

Doesn't seem to be alive.

Not maintained.

Not maintained.

Not maintained.

Not maintained.

The book is outdated and no longer available

PHP Cookbook by Eric A. Mann

Boris is outdated. Last commit: 9 years ago.
Use PsySH instead.