Bump squizlabs/php_codesniffer from 3.7.2 to 3.8.0 #1651

Job	Run time
build (STATIC_CODE_ANALYSIS, 8.1, FALSE, ^4)	30s
build (INTEGRATED_TEST_ON_OLDEST_SUPPORTED, 8.1, FALSE, ^4)	39s
build (INTEGRATED_TEST_ON_PREVIOUS_MINOR, 8.1, FALSE, ^4)	2m 50s
build (ISOLATED_TEST_ON_CURRENT, 8.1, FALSE, ^4)	2m 45s
build (INTEGRATED_TEST_ON_CURRENT, 8.1, FALSE, ^4)	2m 44s
build (ISOLATED_TEST_ON_CURRENT_DEV, 8.1, FALSE, ^4)	2m 52s
build (INTEGRATED_TEST_ON_CURRENT_DEV, 8.1, FALSE, ^4)	2m 48s
build (STRICT_DEPRECATED_CODE_SCAN, 8.1, FALSE, ^4)	25s
build (ISOLATED_TEST_ON_NEXT_MINOR, 8.1, FALSE, ^4)	1m 58s
build (DEPRECATED_CODE_SCAN_W_CONTRIB, 8.1, FALSE, ^4)	1m 32s
build (INTEGRATED_TEST_ON_NEXT_MINOR_DEV, 8.1, FALSE, ^4)	1m 5s
build (ISOLATED_TEST_ON_NEXT_MINOR_DEV, 8.1, FALSE, ^4)	3m 9s
build (LOOSE_DEPRECATED_CODE_SCAN, 8.1, FALSE, ^4)	1m 7s
build (INTEGRATED_TEST_ON_LATEST_LTS, 8.2, FALSE)	1m 15s
build (ISOLATED_TEST_ON_CURRENT, 8.1, TRUE)	1m 55s
build (ISOLATED_TEST_ON_CURRENT, 8.2)	1m 52s
all-successful	2s
	29m 28s

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