Adjust pretty name of closures on PHP 8.4 #165

Job	Run time
Test for mutants (ubuntu-latest, 8.1)	1m 55s
Static analysis (ubuntu-latest, 8.1)	22s
Coding standard (ubuntu-latest, 8.1)	16s
Tests (ubuntu-latest, 7.4, false)	23s
Tests (ubuntu-latest, 8.0, false)	24s
Tests (ubuntu-latest, 8.1, false)	31s
Tests (macos-latest, 7.4, false)	1m 28s
Tests (macos-latest, 8.0, false)	1m 31s
Tests (macos-latest, 8.1, false)	1m 31s
Tests (windows-latest, 7.4, false)	1m 7s
Tests (windows-latest, 8.0, false)	1m 7s
Tests (windows-latest, 8.1, false)	1m 26s
Tests (ubuntu-latest, 7.4, --prefer-lowest --prefer-stable, false)	28s
Tests (ubuntu-latest, 8.2, --ignore-platform-req=php+, false)	28s
Code coverage finish (ubuntu-latest, 8.1)	2s
Status check - CI	3s
	13m 2s

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