Use fork github.com/chubin/vt10x (#919)

internal/fmt/png/go.mod

@@ -3,8 +3,8 @@ module example.com/m/v2
 go 1.20
 
 require (
+	github.com/chubin/vt10x v0.0.0-20231112153020-ef4f56837bf1 // indirect
 	github.com/fogleman/gg v1.3.0 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
-	github.com/hinshun/vt10x v0.0.0-20220301184237-5011da428d02 // indirect
 	golang.org/x/image v0.14.0 // indirect
 )

internal/fmt/png/go.sum

@@ -1,8 +1,8 @@
+github.com/chubin/vt10x v0.0.0-20231112153020-ef4f56837bf1 h1:CHg5BTAJZmCjBaAAQrD92s248JHH3JTsLlaC6QBJo/Y=
+github.com/chubin/vt10x v0.0.0-20231112153020-ef4f56837bf1/go.mod h1:mQssL2gI1LTqWgbffl6DESqe6QkAF67ujBdzSe4bWkU=
 github.com/fogleman/gg v1.3.0 h1:/7zJX8F6AaYQc57WQCyN9cAIz+4bCJGO9B+dyW29am8=
 github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
-github.com/hinshun/vt10x v0.0.0-20220301184237-5011da428d02 h1:AgcIVYPa6XJnU3phs104wLj8l5GEththEw6+F79YsIY=
-github.com/hinshun/vt10x v0.0.0-20220301184237-5011da428d02/go.mod h1:Q48J4R4DvxnHolD5P8pOtXigYlRuPLGl6moFx3ulM68=
 golang.org/x/image v0.14.0 h1:tNgSxAFe3jC4uYqvZdTr84SZoM1KfwdC9SKIFrLjFn4=
 golang.org/x/image v0.14.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=

internal/fmt/png/png.go

@@ -6,8 +6,8 @@ import (
 	"os"
 	"strings"
 
+	"github.com/chubin/vt10x"
 	"github.com/fogleman/gg"
-	"github.com/hinshun/vt10x"
 )
 
 func StringSliceToRuneSlice(s string) [][]rune {