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/aghos/fswatcher.go

@@ -6,10 +6,10 @@ import (
 	"io/fs"
 	"path/filepath"
 
+	"github.com/AdguardTeam/golibs/container"
 	"github.com/AdguardTeam/golibs/errors"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/osutil"
-	"github.com/AdguardTeam/golibs/stringutil"
 	"github.com/fsnotify/fsnotify"
 )
 
@@ -46,7 +46,7 @@ type osWatcher struct {
 	events chan event
 
 	// files is the set of tracked files.
-	files *stringutil.Set
+	files *container.MapSet[string]
 }
 
 // osWatcherPref is a prefix for logging and wrapping errors in osWathcer's
@@ -67,7 +67,7 @@ func NewOSWritesWatcher() (w FSWatcher, err error) {
 	return &osWatcher{
 		watcher: watcher,
 		events:  make(chan event, 1),
-		files:   stringutil.NewSet(),
+		files:   container.NewMapSet[string](),
 	}, nil
 }