Update github.com/rubenv/sql-migrate

Signed-off-by: John Howard <howardjohn@google.com>

go.mod

@@ -13,7 +13,6 @@ require (
 	github.com/containerd/containerd v1.5.0-rc.3
 	github.com/cyphar/filepath-securejoin v0.2.2
 	github.com/distribution/distribution/v3 v3.0.0-20210804104954-38ab4c606ee3
-	github.com/docker/distribution v2.7.1+incompatible
 	github.com/docker/docker v17.12.0-ce-rc1.0.20200618181300-9dc6525e6118+incompatible
 	github.com/docker/go-units v0.4.0
 	github.com/evanphx/json-patch v4.9.0+incompatible
@@ -29,12 +28,13 @@ require (
 	github.com/oras-project/oras-go v0.1.0
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/pkg/errors v0.9.1
-	github.com/rubenv/sql-migrate v0.0.0-20200616145509-8d140a17f351
+	github.com/rubenv/sql-migrate v0.0.0-20210614095031-55d5740dbbcc
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.2.1
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
 	github.com/xeipuuv/gojsonschema v1.2.0
+	github.com/ziutek/mymysql v1.5.4 // indirect
 	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
 	golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d
 	k8s.io/api v0.21.0