go examples: go mod tidy

Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>

Author: cyphar

examples/go/go.mod

@@ -4,6 +4,6 @@ go 1.18
 
 require cyphar.com/go-pathrs v0.0.0
 
-require golang.org/x/sys v0.26.0 // indirect
+require golang.org/x/sys v0.26.0
 
 replace cyphar.com/go-pathrs => ../../go-pathrs