Replace deprecated golint with revive.

See:
- golang/go#38968
- https://github.com/mgechev/revive

Author: drn

Diff for: .github/workflows/main.yml

@@ -48,9 +48,9 @@ jobs:
         with:
           go-version: '^1.17.5'
       - name: Install Golint
-        run: go get -u golang.org/x/lint/golint
+        run: go install github.com/mgechev/revive@latest
       - name: Go Lint
-        run: golint ./...
+        run: revive -set_exit_status ./...
 
   dots-install-bin:
     name: dots install bin

Diff for: cmd/home-scp/root.go

@@ -9,9 +9,9 @@ import (
 	"github.com/drn/dots/pkg/run"
 )
 
-var homeUser string = os.Getenv("HOME_USER")
-var homeWAN string = os.Getenv("HOME_WAN")
-var homeLAN string = os.Getenv("HOME_LAN")
+var homeUser = os.Getenv("HOME_USER")
+var homeWAN = os.Getenv("HOME_WAN")
+var homeLAN = os.Getenv("HOME_LAN")
 
 func main() {
 	if len(os.Args) < 2 {