Rewrite to use saml2v5 #154

Job	Run time
Linter / style-linter	0s
Linter / ecmascript-linter	0s
Linter / json-linter	25s
Linter / yaml-linter	4s
PHP-Linter (8.1) / linter	10s
PHP-Linter (8.2) / linter	15s
PHP-Linter (8.4) / linter	14s
PHP-Linter (8.3) / linter	10s
Unit tests, PHP 8.1, windows-latest	48s
Unit tests, PHP 8.2, windows-latest	50s
Unit tests, PHP 8.3, windows-latest	49s
Unit tests, PHP 8.4, windows-latest	46s
Unit tests, PHP 8.3, ubuntu-latest	18s
Unit tests, PHP 8.2, ubuntu-latest	24s
Unit tests, PHP 8.1, ubuntu-latest	17s
Unit tests, PHP 8.4, ubuntu-latest	16s
Code coverage	0s
Security checks	0s
Quality control	0s
Cleanup artifacts	0s
	5m 46s

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