chore(deps): bump github.com/mattn/go-isatty in /examples

Bumps [github.com/mattn/go-isatty](https://github.com/mattn/go-isatty) from 0.0.18 to 0.0.19.
- [Commits](mattn/go-isatty@v0.0.18...v0.0.19)

---
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>

examples/go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/charmbracelet/x/exp/teatest v0.0.0-20230508155401-2bd6fa14c46a
 	github.com/fogleman/ease v0.0.0-20170301025033-8da417bf1776
 	github.com/lucasb-eyer/go-colorful v1.2.0
-	github.com/mattn/go-isatty v0.0.18
+	github.com/mattn/go-isatty v0.0.19
 	github.com/muesli/reflow v0.3.0
 	github.com/muesli/termenv v0.15.1
 )

examples/go.sum

@@ -40,8 +40,9 @@ github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/mattn/go-isatty v0.0.18 h1:DOKFKCQ7FNG2L1rbrmstDN4QVRdS89Nkh85u68Uwp98=
 github.com/mattn/go-isatty v0.0.18/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+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-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
 github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=