Downgrade symfony/lock to v7.2.0 to work around redis issue #1655

Job	Run time
static-analysis (8.3, cs)	43s
static-analysis (8.3, stan)	39s
static-analysis (8.3, openapi:validate)	18s
api-tests / tests (8.3)	1m 19s
cli-tests / tests (8.3)	1m 3s
api-tests / tests (8.4)	1m 34s
unit-tests / tests (8.3)	40s
cli-tests / tests (8.4)	1m 4s
unit-tests / tests (8.4)	42s
db-tests (maria) / db-tests (8.3)	29s
db-tests (ms) / db-tests (8.3)	1m 2s
db-tests (maria) / db-tests (8.4)	26s
db-tests (ms) / db-tests (8.4)	57s
db-tests (mysql) / db-tests (8.3)	34s
db-tests (postgres) / db-tests (8.3)	31s
db-tests (mysql) / db-tests (8.4)	36s
db-tests (sqlite:ci) / db-tests (8.3)	32s
db-tests (postgres) / db-tests (8.4)	26s
db-tests (sqlite:ci) / db-tests (8.4)	22s
upload-coverage (8.3)	34s
delete-artifacts	2s
	14m 33s

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