Pull request 2187: upd-golibs

Squashed commit of the following:

commit 63c14cf0eb395f58149f5a82ff1389353f7f8127
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Apr 2 20:10:10 2024 +0300

    all: imp code, docs

commit 185ccdd1d9f5acc8376fabeac647f6fddcf108b5
Merge: b6ca80a9f d4fff41b3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Apr 2 20:04:23 2024 +0300

    Merge branch 'master' into upd-golibs

commit b6ca80a9f639394758cc9000345c132a713c183c
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Apr 2 20:01:10 2024 +0300

    all: upd to tags

commit 474f62319befbe22cf1bccd2320cd0d3da1629b1
Author: Ainar Garipov <a.garipov@adguard.com>
Date:   Tue Mar 26 16:33:45 2024 +0300

    all: upd golibs

internal/filtering/rewrite/storage.go

@@ -7,8 +7,8 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/AdguardTeam/golibs/container"
 	"github.com/AdguardTeam/golibs/log"
-	"github.com/AdguardTeam/golibs/stringutil"
 	"github.com/AdguardTeam/urlfilter"
 	"github.com/AdguardTeam/urlfilter/filterlist"
 	"github.com/AdguardTeam/urlfilter/rules"
@@ -85,7 +85,7 @@ func (s *DefaultStorage) MatchRequest(dReq *urlfilter.DNSRequest) (rws []*rules.
 	}
 
 	// TODO(a.garipov): Check cnames for cycles on initialization.
-	cnames := stringutil.NewSet()
+	cnames := container.NewMapSet[string]()
 	host := dReq.Hostname
 	for len(rrules) > 0 && rrules[0].DNSRewrite != nil && rrules[0].DNSRewrite.NewCNAME != "" {
 		rule := rrules[0]