Bump github.com/stretchr/testify from 1.6.0 to 1.6.1 (#546)

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.6.0 to 1.6.1.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.6.0...v1.6.1)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

go.mod

@@ -36,7 +36,7 @@ require (
 	github.com/pierrec/lz4 v0.0.0-20190222153722-062282ea0dcf // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/testify v1.6.0
+	github.com/stretchr/testify v1.6.1
 	github.com/urfave/cli v1.22.4
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
 	golang.org/x/crypto v0.0.0-20191219195013-becbf705a915 // indirect

go.sum

@@ -333,6 +333,8 @@ github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.0 h1:jlIyCplCJFULU/01vCkhKuTyc3OorI3bJFuw6obfgho=
 github.com/stretchr/testify v1.6.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+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/tj/assert v0.0.0-20171129193455-018094318fb0/go.mod h1:mZ9/Rh9oLWpLLDRpvE+3b7gP/C2YyLFYxNmcLnPTMe0=
 github.com/tj/go-elastic v0.0.0-20171221160941-36157cbbebc2/go.mod h1:WjeM0Oo1eNAjXGDx2yma7uG2XoyRZTq1uv3M/o7imD0=
 github.com/tj/go-kinesis v0.0.0-20171128231115-08b17f58cb1b/go.mod h1:/yhzCV0xPfx6jb1bBgRFjl5lytqVqZXEaeqWP8lTEao=