Bump symfony/filesystem from 6.3.1 to 6.4.0 #1631

Job	Run time
build (STATIC_CODE_ANALYSIS, 8.1, FALSE, ^4)	37s
build (INTEGRATED_TEST_ON_OLDEST_SUPPORTED, 8.1, FALSE, ^4)	27s
build (INTEGRATED_TEST_ON_PREVIOUS_MINOR, 8.1, FALSE, ^4)	2m 47s
build (ISOLATED_TEST_ON_CURRENT, 8.1, FALSE, ^4)	1m 59s
build (INTEGRATED_TEST_ON_CURRENT, 8.1, FALSE, ^4)	3m 7s
build (ISOLATED_TEST_ON_CURRENT_DEV, 8.1, FALSE, ^4)	2m 27s
build (INTEGRATED_TEST_ON_CURRENT_DEV, 8.1, FALSE, ^4)	2m 38s
build (STRICT_DEPRECATED_CODE_SCAN, 8.1, FALSE, ^4)	43s
build (ISOLATED_TEST_ON_NEXT_MINOR, 8.1, FALSE, ^4)	2m 8s
build (DEPRECATED_CODE_SCAN_W_CONTRIB, 8.1, FALSE, ^4)	1m 0s
build (INTEGRATED_TEST_ON_NEXT_MINOR_DEV, 8.1, FALSE, ^4)	3m 23s
build (ISOLATED_TEST_ON_NEXT_MINOR_DEV, 8.1, FALSE, ^4)	2m 5s
build (LOOSE_DEPRECATED_CODE_SCAN, 8.1, FALSE, ^4)	1m 8s
build (INTEGRATED_TEST_ON_LATEST_LTS, 8.2, FALSE)	28s
build (ISOLATED_TEST_ON_CURRENT, 8.1, TRUE)	2m 3s
build (ISOLATED_TEST_ON_CURRENT, 8.2)	1m 59s
all-successful	2s
	29m 1s

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