Pull request 1933: upd-golibs

Squashed commit of the following:

commit 081d10e6909def3a075707e75dbd0c5f63f91903
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Jul 20 14:17:01 2023 +0300

    aghnet: fix docs

commit 7433b72c0653cb33fe5ff810ae8a1346a6994f95
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Jul 20 14:03:16 2023 +0300

    all: imp tests; upd golibs

internal/aghnet/net_darwin_test.go

@@ -5,9 +5,9 @@ import (
 	"testing"
 	"testing/fstest"
 
-	"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
 	"github.com/AdguardTeam/golibs/errors"
 	"github.com/AdguardTeam/golibs/testutil"
+	"github.com/AdguardTeam/golibs/testutil/fakefs"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -118,7 +118,7 @@ func TestIfaceSetStaticIP(t *testing.T) {
 			Data: []byte(`nameserver 1.1.1.1`),
 		},
 	}
-	panicFsys := &aghtest.FS{
+	panicFsys := &fakefs.FS{
 		OnOpen: func(name string) (fs.File, error) { panic("not implemented") },
 	}