Pull request: all: update go and backend tools

Closes #2576.
Updates #2275.
Updates #2419.
Updates #2443.

Squashed commit of the following:

commit b1a4809ada298d675de12740051ba26fb9945957
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri May 21 14:01:40 2021 +0300

    all: add --local-frontend, upd docker

commit 619ee7c82f27e3405753003dbec556ffb056d025
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu May 20 15:02:33 2021 +0300

    bamboo-specs: bump docker version

commit 5c2b2fbce80afdcc81fd0cb83674dc3d64facbf1
Merge: 6536b32d 9c60aef6
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu May 20 15:01:47 2021 +0300

    Merge branch 'master' into 2275-upd-go

commit 6536b32dd4580425f7dedde6765463a79b9bd699
Merge: 9bb32bc4 6f7fd33a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed May 19 20:38:48 2021 +0300

    Merge branch 'master' into 2275-upd-go

commit 9bb32bc4c0ac0f3a97195adc75359e48c9c58897
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed May 19 18:48:50 2021 +0300

    all: fix build, imp err handling

commit 6868eac7f7d2980fb706881f53e72afe5f7c3447
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed May 19 18:09:32 2021 +0300

    all: fix github lint

commit ebbb9c55f32fbd57e34e8b161016aa6b291c097c
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed May 19 17:36:56 2021 +0300

    all: update go and backend tools

internal/home/service.go

@@ -3,7 +3,7 @@ package home
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io/fs"
 	"os"
 	"runtime"
 	"strconv"
@@ -28,7 +28,8 @@ const (
 
 // Represents the program that will be launched by a service or daemon
 type program struct {
-	opts options
+	clientBuildFS fs.FS
+	opts          options
 }
 
 // Start should quickly start the program
@@ -36,7 +37,8 @@ func (p *program) Start(s service.Service) error {
 	// Start should not block. Do the actual work async.
 	args := p.opts
 	args.runningAsService = true
-	go run(args)
+	go run(args, p.clientBuildFS)
+
 	return nil
 }
 
@@ -95,7 +97,7 @@ func sendSigReload() {
 	}
 
 	pidfile := fmt.Sprintf("/var/run/%s.pid", serviceName)
-	data, err := ioutil.ReadFile(pidfile)
+	data, err := os.ReadFile(pidfile)
 	if errors.Is(err, os.ErrNotExist) {
 		var code int
 		var psdata string
@@ -142,7 +144,7 @@ func sendSigReload() {
 // run - this is a special command that is not supposed to be used directly
 // it is specified when we register a service, and it indicates to the app
 // that it is being run as a service/daemon.
-func handleServiceControlAction(opts options) {
+func handleServiceControlAction(opts options, clientBuildFS fs.FS) {
 	action := opts.serviceControlAction
 	log.Printf("Service control action: %s", action)
 
@@ -165,7 +167,10 @@ func handleServiceControlAction(opts options) {
 		Arguments:        serialize(runOpts),
 	}
 	configureService(svcConfig)
-	prg := &program{runOpts}
+	prg := &program{
+		clientBuildFS: clientBuildFS,
+		opts:          runOpts,
+	}
 	s, err := service.New(prg, svcConfig)
 	if err != nil {
 		log.Fatal(err)