Actually apply the pre-commit fixers to the codebase.

This can be redone manually with
`pre-commit run --all`

While the pre-commit hook could be merged to run locally,
it is much cleaner to align all the files to best-practice
syntax in a single commit. It is also required for server-side
validation.

cmd/access_test.go

@@ -2,11 +2,12 @@ package cmd
 
 import (
 	"fmt"
+	"testing"
+
 	"github.com/stretchr/testify/require"
 	"github.com/urfave/cli/v2"
 	"heckel.io/ntfy/server"
 	"heckel.io/ntfy/test"
-	"testing"
 )
 
 func TestCLI_Access_Show(t *testing.T) {