Drop testing with unsupported Redis version #62953

Job	Run time
check-commits-dispatcher	27s
error-prone-checks	2m 16s
hive-tests (config-hdp3)	54s
artifact-checks	16m 6s
build-pt	8m 46s
build-test-matrix	55s
maven-checks 21	17m 17s
test-jdbc-compatibility	3m 49s
maven-checks 22	15m 3s
test-other-modules	4m 58s
web-ui-checks	1m 10s
maven-checks 23-ea	18m 58s
check-commit	2s
test (plugin/trino-redis)	4m 24s
pt (default, suite-all-connectors-smoke, )	2m 26s
	1h 37m 31s

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