chore: fix wrong variable name #25

Job	Run time
static-code-analysis-php / static-analysis-php	21s
coding-standards-analysis-php / coding-standards-php	23s
lint-php (8.1) / lint-php	13s
lint-php (8.2) / lint-php	13s
lint-php (7.4) / lint-php	12s
lint-php (7.2) / lint-php	16s
lint-php (7.3) / lint-php	9s
lint-php (8.0) / lint-php	17s
	2m 4s

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