[TASK] Update ezyang/htmlpurifier requirement from ^4.17.0 to ^4.18.0 #166

Job	Run time
PHP linter - 8.1	12s
Code quality checks (composer:normalize, 8.1)	24s
PHP linter - 8.2	15s
Code quality checks (composer:psr-verify, 8.1)	23s
PHP linter - 8.3	12s
Code quality checks (php:cs-fixer, 8.1)	26s
Code quality checks (yaml:lint, 8.1)	25s
Code quality checks (xliff:lint, 8.1)	29s
Functional tests - PHP 8.1 - TYPO3 ^12.4 - prefer-lowest	17s
Functional tests - PHP 8.1 - TYPO3 ^12.4 - prefer-stable	34s
Unit tests - PHP 8.1 - TYPO3 ^12.4 - prefer-lowest	19s
Functional tests - PHP 8.2 - TYPO3 ^12.4 - prefer-lowest	18s
Unit tests - PHP 8.1 - TYPO3 ^12.4 - prefer-stable	19s
Functional tests - PHP 8.2 - TYPO3 ^12.4 - prefer-stable	19s
Unit tests - PHP 8.2 - TYPO3 ^12.4 - prefer-lowest	20s
Unit tests - PHP 8.2 - TYPO3 ^12.4 - prefer-stable	21s
Functional tests - PHP 8.3 - TYPO3 ^12.4 - prefer-lowest	18s
Unit tests - PHP 8.3 - TYPO3 ^12.4 - prefer-lowest	21s
Functional tests - PHP 8.3 - TYPO3 ^12.4 - prefer-stable	21s
Unit tests - PHP 8.3 - TYPO3 ^12.4 - prefer-stable	22s
	6m 55s

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