Downgrade saml2-lib #135

Job	Run time
Linter / json-linter	26s
PHP-Linter (8.4) / linter	8s
Linter / yaml-linter	4s
PHP-Linter (8.3) / linter	9s
PHP-Linter (8.2) / linter	9s
PHP-Linter (8.1) / linter	16s
Linter / style-linter	0s
Linter / ecmascript-linter	-1s
Unit tests, PHP 8.2, ubuntu-latest	13s
Unit tests, PHP 8.2, windows-latest	39s
Unit tests, PHP 8.3, ubuntu-latest	10s
Unit tests, PHP 8.4, ubuntu-latest	9s
Unit tests, PHP 8.1, ubuntu-latest	8s
Unit tests, PHP 8.1, windows-latest	43s
Unit tests, PHP 8.3, windows-latest	42s
Unit tests, PHP 8.4, windows-latest	44s
Cleanup artifacts	0s
Quality control	0s
Security checks	0s
Code coverage	0s
	4m 39s

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