chore: update go, libs, add version info

.goreleaser.yml

@@ -1,3 +1,4 @@
+version: 2
 builds:
 - id: "kubepfm"
   binary: kubepfm
@@ -20,13 +21,13 @@ release:
     owner: flowerinthenight
     name: kubepfm
 brews:
-- tap:
+- repository:
     owner: flowerinthenight
     name: homebrew-tap
   name: kubepfm
   homepage: "https://github.com/flowerinthenight/kubepfm"
   description: "A simple port-forward wrapper tool for multiple pods/deployments/services."
-  folder: Formula
+  directory: Formula
   install: |
     bin.install "kubepfm"
   test: |

main.go

@@ -16,16 +16,21 @@ import (
 )
 
 var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+
 	green = color.New(color.FgGreen).SprintFunc()
 	red   = color.New(color.FgRed).SprintFunc()
 
 	targets []string
 	cs      map[string]*exec.Cmd
 
 	rootCmd = &cobra.Command{
-		Use:          "kubepfm",
-		Short:        "A simple port-forward wrapper tool for multiple pods/deployments/services",
-		Long:         "A simple port-forward wrapper tool for multiple pods/deployments/services.",
+		Use:   "kubepfm",
+		Short: "A simple port-forward wrapper tool for multiple pods/deployments/services",
+		Long: `A simple port-forward wrapper tool for multiple pods/deployments/services.
+[version=` + version + `, commit=` + commit + `, date=` + date + `]`,
 		RunE:         Run,
 		SilenceUsage: true,
 	}