chore: fix lint violations

connector/keystone/keystone.go

connector/keystone/keystone_test.go

connector/ldap/ldap.go

connector/openshift/openshift.go

storage/conformance/jwks.go

storage/ent/mysql.go

storage/ent/postgres.go

storage/ent/sqlite.go

storage/kubernetes/storage_test.go

storage/sql/crud_test.go

storage/sql/migrate_test.go

storage/sql/postgres_test.go

storage/sql/sqlite.go

storage/sql/sqlite_test.go