build(deps): bump github.com/mattn/go-isatty from 0.0.19 to 0.0.20

Bumps [github.com/mattn/go-isatty](https://github.com/mattn/go-isatty) from 0.0.19 to 0.0.20.
- [Commits](mattn/go-isatty@v0.0.19...v0.0.20)

---
updated-dependencies:
- dependency-name: github.com/mattn/go-isatty
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -46,7 +46,7 @@ require (
 	github.com/kyokomi/emoji/v2 v2.2.12
 	github.com/magefile/mage v1.15.0
 	github.com/marekm4/color-extractor v1.2.1
-	github.com/mattn/go-isatty v0.0.19
+	github.com/mattn/go-isatty v0.0.20
 	github.com/mitchellh/hashstructure v1.1.0
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/muesli/smartcrop v0.3.0

go.sum

@@ -361,8 +361,8 @@ github.com/marekm4/color-extractor v1.2.1/go.mod h1:90VjmiHI6M8ez9eYUaXLdcKnS+BA
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
-github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mitchellh/hashstructure v1.1.0 h1:P6P1hdjqAAknpY/M1CGipelZgp+4y9ja9kmUZPXP+H0=