fix ipv6 notation (#1084) #1924

Job	Run time
windows_test	4m 6s
test (postgres, postgres, postgres://root:[email protected]/sqlpage)	2m 12s
test (mysql, mysql, mysql://root:[email protected]/sqlpage)	2m 0s
test (mssql, mssql, mssql://root:[email protected]/sqlpage)	2m 8s
compile_and_lint	1m 51s
test (odbc, postgres, Driver=PostgreSQL Unicode;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=r...	2m 22s
docker_build (linux/amd64)	5m 27s
docker_build (linux/arm/v7)	5m 35s
docker_build (linux/arm64)	5m 51s
docker_push	14s
	31m 46s

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