tz: suppress linter errors

Tests are perfectly fine with this kind of random data.

Signed-off-by: Roman Khimov <roman@nspcc.ru>

tz/hash_test.go

@@ -145,7 +145,7 @@ func TestHomomorphism(t *testing.T) {
 	)
 
 	b = make([]byte, 64)
-	n, err = rand.Read(b)
+	n, err = rand.Read(b) //nolint:staticcheck // SA1019: rand.Read has been deprecated since Go 1.20 because it shouldn't be used
 	require.Equal(t, 64, n)
 	require.NoError(t, err)
 

tz/sl2_test.go

@@ -10,7 +10,7 @@ import (
 )
 
 func init() {
-	rand.Seed(time.Now().UnixNano())
+	rand.Seed(time.Now().UnixNano()) //nolint:staticcheck // SA1019: rand.Seed has been deprecated since Go 1.20 and an alternative has been available since Go 1.0
 }
 
 func random() (a *sl2) {