fix(deps): update golang.org/x/exp digest to a4bb9ff in go.mod

Author: renovate[bot]

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/spf13/cobra v1.10.1
 	github.com/stretchr/testify v1.11.1
 	github.com/yargevad/filepathx v1.0.0
-	golang.org/x/exp v0.0.0-20251017212417-90e834f514db
+	golang.org/x/exp a4bb9ffd2546
 	golang.org/x/net v0.46.0
 	golang.org/x/time v0.14.0
 	wait4x.dev/v3 v3.6.0