TUN-9016: update go to 1.24

## Summary

Update several moving parts of cloudflared build system:

* use goboring 1.24.2 in cfsetup
* update linter and fix lint issues
* update packages namely **quic-go and net**
* install script for macos
* update docker files to use go 1.24.1
* remove usage of cloudflare-go
* pin golang linter

Closes TUN-9016

cmd/cloudflared/service_template.go

@@ -11,8 +11,6 @@ import (
 	"text/template"
 
 	homedir "github.com/mitchellh/go-homedir"
-
-	"github.com/cloudflare/cloudflared/config"
 )
 
 type ServiceTemplate struct {
@@ -109,38 +107,3 @@ func runCommand(command string, args ...string) error {
 	}
 	return nil
 }
-
-func ensureConfigDirExists(configDir string) error {
-	ok, err := config.FileExists(configDir)
-	if !ok && err == nil {
-		err = os.Mkdir(configDir, 0755)
-	}
-	return err
-}
-
-func copyFile(src, dest string) error {
-	srcFile, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer srcFile.Close()
-
-	destFile, err := os.Create(dest)
-	if err != nil {
-		return err
-	}
-	ok := false
-	defer func() {
-		destFile.Close()
-		if !ok {
-			_ = os.Remove(dest)
-		}
-	}()
-
-	if _, err := io.Copy(destFile, srcFile); err != nil {
-		return err
-	}
-
-	ok = true
-	return nil
-}