chore(deps): bump github.com/stretchr/testify from 1.6.1 to 1.7.0

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.6.1 to 1.7.0.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.6.1...v1.7.0)

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/russellhaering/goxmldsig v1.1.0
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spf13/cobra v1.1.1
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	github.com/testcontainers/testcontainers-go v0.0.9
 	go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad

go.sum

@@ -343,6 +343,8 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/testcontainers/testcontainers-go v0.0.9 h1:mwvFz+FkuQMqQ9oLkG4cVzPsZTRmrCo2NcaerJNaptA=
 github.com/testcontainers/testcontainers-go v0.0.9/go.mod h1:0Qe9qqjNZgxHzzdHPWwmQ2D49FFO7920hLdJ4yUJXJI=