Update go.mod dependencies

--------

index 3add491..55ce0fe 100644

Author: tas-runtime-bot

go.mod

@@ -9,7 +9,7 @@ require github.com/square/certstrap v1.3.0
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	go.step.sm/crypto v0.67.0 // indirect
+	go.step.sm/crypto v0.68.0 // indirect
 	golang.org/x/crypto v0.40.0 // indirect
 	golang.org/x/sys v0.34.0 // indirect
 )

go.sum

@@ -10,8 +10,8 @@ github.com/square/certstrap v1.3.0 h1:N9P0ZRA+DjT8pq5fGDj0z3FjafRKnBDypP0QHpMlaA
 github.com/square/certstrap v1.3.0/go.mod h1:wGZo9eE1B7WX2GKBn0htJ+B3OuRl2UsdCFySNooy9hU=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-go.step.sm/crypto v0.67.0 h1:1km9LmxMKG/p+mKa1R4luPN04vlJYnRLlLQrWv7egGU=
-go.step.sm/crypto v0.67.0/go.mod h1:+AoDpB0mZxbW/PmOXuwkPSpXRgaUaoIK+/Wx/HGgtAU=
+go.step.sm/crypto v0.68.0 h1:PqiEolMb+MGJkamRzmbiEp6lWqbfGESCS5yehwNJ1Tk=
+go.step.sm/crypto v0.68.0/go.mod h1:YzEeTFSsXOJg7BV4uckv3lW5/OS+3E20clU136od/sU=
 golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
 golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
 golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=