chore: upgrade Go dependencies to latest versions

- Update Go version from `1.23.0` to `1.23.8`
- Upgrade `github.com/appleboy/com` from `v0.2.0` to `v0.3.0`
- Upgrade `github.com/urfave/cli/v2` from `v2.27.5` to `v2.27.6`
- Upgrade `golang.org/x/crypto` from `v0.36.0` to `v0.37.0`
- Upgrade `github.com/ScaleFT/sshkeys` from `v1.2.0` to `v1.4.0`
- Upgrade `github.com/cpuguy83/go-md2man/v2` from `v2.0.5` to `v2.0.6`
- Upgrade `github.com/mattn/go-colorable` from `v0.1.13` to `v0.1.14`
- Upgrade `golang.org/x/sys` from `v0.31.0` to `v0.32.0`

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

go.mod

@@ -1,27 +1,27 @@
 module github.com/appleboy/drone-scp
 
-go 1.23.0
+go 1.23.8
 
 require (
-	github.com/appleboy/com v0.2.0
+	github.com/appleboy/com v0.3.0
 	github.com/appleboy/easyssh-proxy v1.5.0
 	github.com/fatih/color v1.18.0
 	github.com/joho/godotenv v1.5.1
 	github.com/stretchr/testify v1.8.4
-	github.com/urfave/cli/v2 v2.27.5
-	golang.org/x/crypto v0.36.0
+	github.com/urfave/cli/v2 v2.27.6
+	golang.org/x/crypto v0.37.0
 )
 
 require (
-	github.com/ScaleFT/sshkeys v1.2.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect
+	github.com/ScaleFT/sshkeys v1.4.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dchest/bcrypt_pbkdf v0.0.0-20150205184540-83f37f9c154a // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
-	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/sys v0.32.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )