Bump tedivm/jshrink from 1.6.6 to 1.6.8 #1178

Job	Run time
pre_job	6s
qodana_scan	3m 14s
static_code_analysis	56s
PHP 7.4 on ubuntu-latest with lowest dependencies	1m 0s
PHP 7.4 on ubuntu-latest with locked dependencies	1m 12s
PHP 8.0 on ubuntu-latest with lowest dependencies	1m 11s
PHP 8.0 on ubuntu-latest with locked dependencies	49s
PHP 8.1 on ubuntu-latest with lowest dependencies	54s
PHP 8.1 on ubuntu-latest with locked dependencies	1m 11s
PHP 7.4 on macos-latest with lowest dependencies	2m 38s
PHP 7.4 on macos-latest with locked dependencies	2m 40s
PHP 8.0 on macos-latest with lowest dependencies	2m 47s
PHP 8.0 on macos-latest with locked dependencies	2m 42s
PHP 8.1 on macos-latest with lowest dependencies	2m 45s
PHP 8.1 on macos-latest with locked dependencies	5m 14s
PHP 7.4 on windows-latest with lowest dependencies	1m 5s
PHP 7.4 on windows-latest with locked dependencies	1m 11s
PHP 8.0 on windows-latest with lowest dependencies	1m 11s
PHP 8.0 on windows-latest with locked dependencies	1m 9s
PHP 8.1 on windows-latest with lowest dependencies	1m 13s
PHP 8.1 on windows-latest with locked dependencies	1m 29s
coverage	0s
build_docker_image	0s
build_phar	0s
notify	0s
	36m 37s

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