Bump symplify/monorepo-builder from 11.2.19 to 11.2.20 #1287

Job	Run time
pre_job	5s
static_code_analysis	45s
PHP 7.4 on ubuntu-latest with lowest dependencies	44s
PHP 7.4 on ubuntu-latest with locked dependencies	45s
PHP 8.0 on ubuntu-latest with lowest dependencies	42s
PHP 8.0 on ubuntu-latest with locked dependencies	46s
PHP 8.1 on ubuntu-latest with lowest dependencies	42s
PHP 8.1 on ubuntu-latest with locked dependencies	47s
PHP 7.4 on macos-latest with lowest dependencies	1m 46s
PHP 7.4 on macos-latest with locked dependencies	1m 31s
PHP 8.0 on macos-latest with lowest dependencies	1m 24s
PHP 8.0 on macos-latest with locked dependencies	2m 21s
PHP 8.1 on macos-latest with lowest dependencies	2m 45s
PHP 8.1 on macos-latest with locked dependencies	1m 34s
PHP 7.4 on windows-latest with lowest dependencies	53s
PHP 7.4 on windows-latest with locked dependencies	40s
PHP 8.0 on windows-latest with lowest dependencies	45s
PHP 8.0 on windows-latest with locked dependencies	41s
PHP 8.1 on windows-latest with lowest dependencies	56s
PHP 8.1 on windows-latest with locked dependencies	53s
coverage	1m 38s
build_docker_image	3s
build_phar	29s
notify	0s
	23m 35s

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