Improve how geolocation DB files are downloaded/updated #1596

Job	Run time
static-analysis (8.3, cs)	37s
static-analysis (8.3, stan)	32s
static-analysis (8.3, openapi:validate)	14s
cli-tests / tests (8.3)	46s
api-tests / tests (8.3)	1m 26s
cli-tests / tests (8.4)	43s
unit-tests / tests (8.3)	36s
api-tests / tests (8.4)	1m 10s
unit-tests / tests (8.4)	38s
db-tests (maria) / db-tests (8.3)	23s
db-tests (ms) / db-tests (8.3)	47s
db-tests (maria) / db-tests (8.4)	32s
db-tests (ms) / db-tests (8.4)	56s
db-tests (mysql) / db-tests (8.3)	35s
db-tests (postgres) / db-tests (8.3)	23s
db-tests (mysql) / db-tests (8.4)	42s
db-tests (postgres) / db-tests (8.4)	33s
db-tests (sqlite:ci) / db-tests (8.3)	19s
db-tests (sqlite:ci) / db-tests (8.4)	18s
upload-coverage	0s
delete-artifacts	0s
	12m 10s

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