Pull request 1967: AG-24794-imp-arpdb

Squashed commit of the following:

commit 6f6f6cc5d9b9ae04e369e0b789aaab74f234e6a0
Merge: 9aa3ac58c 8fb76701f
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Thu Aug 24 13:29:47 2023 +0300

    Merge branch 'master' into AG-24794-imp-arpdb

commit 9aa3ac58c76fc4b2f950a988d63dfebd0652e507
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 16:14:02 2023 +0300

    scripts: gocognit: add arpdb

commit e99b0534be1891de1c13f4010beeedb4459ccd7c
Merge: 84893bc2d 3722c2846
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 16:08:25 2023 +0300

    Merge branch 'master' into AG-24794-imp-arpdb

commit 84893bc2d3018c9ee1e411578b33cdb6ba6d3d81
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 16:07:43 2023 +0300

    arpdb: add todo

commit ad4b3689b51324521bf47c478c61b6008332b4f5
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 14:02:07 2023 +0300

    arpdb: imp code

commit 9cdd17dadbb91ccc3f8e79ba7a21bc365647e089
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Aug 18 19:05:10 2023 +0300

    all: imp arpdb

internal/arpdb/arpdb_windows_internal_test.go

@@ -0,0 +1,23 @@
+//go:build windows
+
+package arpdb
+
+import (
+	"net"
+	"net/netip"
+)
+
+const arpAOutput = `
+
+Interface: 192.168.1.1 --- 0x7
+  Internet Address      Physical Address      Type
+  192.168.1.2           ab-cd-ef-ab-cd-ef     dynamic
+  ::ffff:ffff           ef-cd-ab-ef-cd-ab     static`
+
+var wantNeighs = []Neighbor{{
+	IP:  netip.MustParseAddr("192.168.1.2"),
+	MAC: net.HardwareAddr{0xAB, 0xCD, 0xEF, 0xAB, 0xCD, 0xEF},
+}, {
+	IP:  netip.MustParseAddr("::ffff:ffff"),
+	MAC: net.HardwareAddr{0xEF, 0xCD, 0xAB, 0xEF, 0xCD, 0xAB},
+}}