Fix various linting issues + golang-lint upgrade (#1245)

.github/workflows/lint.yml

@@ -30,7 +30,7 @@ jobs:
         if: steps.changed-files.outputs.any_changed == 'true'
         uses: golangci/golangci-lint-action@v2
         with:
-          version: v1.49.0
+          version: v1.51.2
 
           # Only block PRs on new problems.
           # If this is not enabled, we will end up having PRs

cmd/headscale/cli/configtest.go

@@ -1,8 +1,8 @@
 package cli
 
 import (
-	"github.com/spf13/cobra"
 	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
 )
 
 func init() {

integration/hsic/hsic.go

@@ -108,7 +108,7 @@ func WithPort(port int) Option {
 	}
 }
 
-// WithTestName sets a a name for the test, this will be reflected
+// WithTestName sets a name for the test, this will be reflected
 // in the Docker container name.
 func WithTestName(testName string) Option {
 	return func(hsic *HeadscaleInContainer) {