chore: upgrade backoff to the latest v4 release (#265)

Upgrades "cenkalti/backoff" to the latest v4 release.

Signed-off-by: Andreas Amstutz <tullo@users.noreply.github.com>

Co-authored-by: Andreas Amstutz <tullo@users.noreply.github.com>

dockertest.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/cenkalti/backoff/v3"
+	"github.com/cenkalti/backoff/v4"
 	dc "github.com/ory/dockertest/v3/docker"
 	options "github.com/ory/dockertest/v3/docker/opts"
 	"github.com/pkg/errors"

go.mod

@@ -5,7 +5,7 @@ go 1.13
 require (
 	github.com/Microsoft/go-winio v0.4.14
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5
-	github.com/cenkalti/backoff/v3 v3.0.0
+	github.com/cenkalti/backoff/v4 v4.1.0
 	github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.4.0

go.sum

@@ -4,8 +4,8 @@ github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+q
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
 github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
-github.com/cenkalti/backoff/v3 v3.0.0 h1:ske+9nBpD9qZsTBoF41nW5L+AIuFBKMeze18XQ3eG1c=
-github.com/cenkalti/backoff/v3 v3.0.0/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4rc0ij+ULvLYs=
+github.com/cenkalti/backoff/v4 v4.1.0 h1:c8LkOFQTzuO0WBM/ae5HdGQuZPfPxp7lqBRwQRm4fSc=
+github.com/cenkalti/backoff/v4 v4.1.0/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6 h1:NmTXa/uVnDyp0TY5MKi197+3HWcnYWfnHGyaFthlnGw=
 github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
 github.com/creack/pty v1.1.9 h1:uDmaGzcdjhF4i/plgjmEsriH11Y0o7RKapEf/LDaM3w=