Bump shipmonk/dead-code-detector from 1.1.0 to 1.1.1 in /.dev-tools #3804

Job	Run time
spelling	5s
analyse	45s
PHP 8.2	1m 20s
PHP 7.4 with lowest dependencies and shim package	57s
PHP 8.5 with bootstrap	1m 20s
PHP 8.5 on macOS	4m 0s
PHP 8.6	1m 14s
PHP 8.5 with PHPUnit 12	1m 8s
PHP 7.4 with lowest dependencies	1m 3s
PHP 8.5 on Windows	57s
PHP 8.3	1m 4s
PHP 8.4	1m 11s
PHP 8.5 with PHPUnit 13	1m 20s
PHP 8.5 with PHP CS Fixer from master	1m 13s
PHP 8.5 with calculating code coverage and Infection	2m 53s
PHP 8.5 with shim package	1m 17s
PHP 8.0	1m 2s
PHP 8.1	1m 34s
	24m 23s

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