refactor: simplify for loop

cli/app.go

@@ -67,7 +67,7 @@ locally in a pass store (see passwordstore.org for more).
 
 		app := catl[appType]
 		var latestVersion string
-		for tag, _ := range app.Versions {
+		for tag := range app.Versions {
 			// apps.json versions are sorted so the last key is latest
 			latestVersion = tag
 		}

cmd/abra/main.go

@@ -1,6 +1,8 @@
 package main
 
-import "coopcloud.tech/abra/cli"
+import (
+	"coopcloud.tech/abra/cli"
+)
 
 var Version string
 var Commit string