Pull request 2297: AG-20945-filter-storage

Squashed commit of the following:

commit 2611fd57815910c035621879094ab954389f31b4
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Nov 1 16:29:06 2024 +0300

    dnsforward: imp test

commit 5efcfda937da2ce229ae1a3c57d7a4de35ee7caf
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Nov 1 15:54:18 2024 +0300

    rulelist: imp docs, tests

commit 7a759c46997ed69e931a0a7c4f25820c52660a3f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Nov 1 14:36:08 2024 +0300

    all: add filtering storage; upd golibs

internal/dnsforward/dnsforward_test.go

@@ -592,6 +592,8 @@ func TestSafeSearch(t *testing.T) {
 				r, _, errExch := client.Exchange(req, addr)
 				if assert.NoError(c, errExch) {
 					once.Do(func() { reply = r })
+				} else {
+					t.Logf("got error: %v", errExch)
 				}
 			}, testTimeout*10, testTimeout)