Update to PHPUnit 13 #1937

Job	Run time
unit-tests / tests (8.5)	35s
static-analysis (8.4, stan)	32s
db-tests (ms) / db-tests (8.5)	53s
db-tests (postgres) / db-tests (8.4)	35s
db-tests (postgres) / db-tests (8.5)	34s
static-analysis (8.4, cs)	41s
static-analysis (8.4, openapi:validate)	16s
db-tests (mysql) / db-tests (8.4)	34s
api-tests / tests (8.4)	1m 56s
unit-tests / tests (8.4)	28s
db-tests (mysql) / db-tests (8.5)	31s
cli-tests / tests (8.4)	1m 0s
db-tests (sqlite:ci) / db-tests (8.4)	21s
db-tests (ms) / db-tests (8.4)	1m 0s
db-tests (sqlite:ci) / db-tests (8.5)	20s
api-tests / tests (8.5)	1m 35s
db-tests (maria) / db-tests (8.5)	36s
db-tests (maria) / db-tests (8.4)	26s
cli-tests / tests (8.5)	1m 1s
upload-coverage (8.4)	24s
delete-artifacts	5s
	14m 23s

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