Add assertions to ensure NotBefore is before NotOnOrAfter #3349

Job	Run time
PHP-Linter (8.4) / linter	16s
PHP-Linter (8.3) / linter	18s
Linter / json-linter	31s
PHP-Linter (8.2) / linter	20s
Linter / yaml-linter	8s
Linter / ecmascript-linter	0s
Linter / style-linter	-1s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Code coverage	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Cleanup artifacts	0s
Quality control	0s
Security checks	0s
	1m 32s

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