format code with gofumpt

Format the code  with gofumpt to prevent my IDE from reformatting
every time I open a file. gofumpt provides a superset of gofmt,
so should not impact users that are not using gofumpt.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

pkg/progress/json.go

@@ -51,7 +51,7 @@ func (p *jsonWriter) Start(ctx context.Context) error {
 }
 
 func (p *jsonWriter) Event(e Event) {
-	var message = &jsonMessage{
+	message := &jsonMessage{
 		DryRun:   p.dryRun,
 		Tail:     false,
 		ID:       e.ID,
@@ -75,7 +75,7 @@ func (p *jsonWriter) Events(events []Event) {
 }
 
 func (p *jsonWriter) TailMsgf(msg string, args ...interface{}) {
-	var message = &jsonMessage{
+	message := &jsonMessage{
 		DryRun: p.dryRun,
 		Tail:   true,
 		ID:     "",

pkg/progress/noop.go

@@ -20,8 +20,7 @@ import (
 	"context"
 )
 
-type noopWriter struct {
-}
+type noopWriter struct{}
 
 func (p *noopWriter) Start(ctx context.Context) error {
 	return nil

pkg/progress/tty.go

@@ -345,6 +345,4 @@ func lenAnsi(s string) int {
 	return length
 }
 
-var (
-	percentChars = strings.Split("⠀⡀⣀⣄⣤⣦⣶⣷⣿", "")
-)
+var percentChars = strings.Split("⠀⡀⣀⣄⣤⣦⣶⣷⣿", "")