chore(deps): Update module github.com/warthog618/gpiod to v0.9.1

Author: renovate[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/spf13/pflag v1.0.6
 	github.com/spf13/viper v1.20.1
 	github.com/stretchr/testify v1.10.0
-	github.com/warthog618/gpiod v0.8.1
+	github.com/warthog618/gpiod v0.9.1
 	go.bug.st/serial v1.6.4
 	go.uber.org/zap v1.27.0
 	golang.org/x/sync v0.15.0