upgrade go version

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

go.mod

@@ -1,12 +1,12 @@
 module github.com/appleboy/drone-scp
 
-go 1.13
+go 1.14
 
 require (
-	github.com/appleboy/com v0.0.2
-	github.com/appleboy/easyssh-proxy v1.3.0
+	github.com/appleboy/com v0.0.6
+	github.com/appleboy/easyssh-proxy v1.3.1
 	github.com/fatih/color v1.9.0
 	github.com/joho/godotenv v1.3.0
-	github.com/stretchr/testify v1.4.0
-	github.com/urfave/cli/v2 v2.1.1
+	github.com/stretchr/testify v1.5.1
+	github.com/urfave/cli/v2 v2.2.0
 )

go.sum

@@ -1,10 +1,10 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/ScaleFT/sshkeys v0.0.0-20181112160850-82451a803681 h1:JS2rl38kZmHgWa0xINSaSYH0Whtvem64/4+Ef0+Y5pE=
 github.com/ScaleFT/sshkeys v0.0.0-20181112160850-82451a803681/go.mod h1:WfDateMPQ/55dPbZRp5Zxrux5WiEaHsjk9puUhz0KgY=
-github.com/appleboy/com v0.0.2 h1:sexcPX7gp7peXMlOJMxEYcRucW7DW0XHgFZqUB6PI6g=
-github.com/appleboy/com v0.0.2/go.mod h1:jnufjIC3opMlReyPPPye+8JqNvUzLm25o7h6SOy8nv0=
-github.com/appleboy/easyssh-proxy v1.3.0 h1:ToH+hZDPWP9/9E58lwxDLJQSHvgGgDAQ9ZVx6x5oofI=
-github.com/appleboy/easyssh-proxy v1.3.0/go.mod h1:Kk57I3w7OCafOjp5kgZFvxk2fO8Tca5CriBTOsbSbjY=
+github.com/appleboy/com v0.0.6 h1:l8cZ0aQJU/SWyL79ciYAJeqV835PRdlZ6efiPhus5Ic=
+github.com/appleboy/com v0.0.6/go.mod h1:jnufjIC3opMlReyPPPye+8JqNvUzLm25o7h6SOy8nv0=
+github.com/appleboy/easyssh-proxy v1.3.1 h1:zj5u800KIRPziMlJouhd2R6jufz6ihGlFSmojzXYSOw=
+github.com/appleboy/easyssh-proxy v1.3.1/go.mod h1:Kk57I3w7OCafOjp5kgZFvxk2fO8Tca5CriBTOsbSbjY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
@@ -28,10 +28,10 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5I
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/urfave/cli/v2 v2.1.1 h1:Qt8FeAtxE/vfdrLmR3rxR6JRE0RoVmbXu8+6kZtYU4k=
-github.com/urfave/cli/v2 v2.1.1/go.mod h1:SE9GqnLQmjVa0iPEY0f1w3ygNIYcIJ0OKPMoW2caLfQ=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/urfave/cli/v2 v2.2.0 h1:JTTnM6wKzdA0Jqodd966MVj4vWbbquZykeX1sKbe2C4=
+github.com/urfave/cli/v2 v2.2.0/go.mod h1:SE9GqnLQmjVa0iPEY0f1w3ygNIYcIJ0OKPMoW2caLfQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876 h1:sKJQZMuxjOAR/Uo2LBfU90onWEf1dF4C+0hPJCc9Mpc=
 golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=