Use 302 or 303 for oidc redirects #2038

Job	Run time
docker_build (linux/amd64)	4m 43s
docker_build (linux/arm/v7)	5m 3s
windows_test	2m 48s
docker_build (linux/arm64)	5m 44s
compile_and_lint	1m 38s
test (mysql, mysql, mysql://root:[email protected]/sqlpage)	1m 30s
test (postgres, postgres, postgres://root:[email protected]/sqlpage)	1m 46s
test (odbc, postgres, Driver=PostgreSQL Unicode;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=r...	1m 51s
test (mssql, mssql, mssql://root:[email protected]/sqlpage)	2m 3s
docker_push	0s
	27m 6s

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