Pull request 2290: 7250-custom-client-cache

Updates #7250.

Squashed commit of the following:

commit 062660f17e164b92a3254c5b79543080c6884dd5
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Oct 9 17:42:17 2024 +0300

    all: upd chlog

commit 66fa039ede456454f26b3bfedefabfe71beda3ab
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Oct 9 17:30:58 2024 +0300

    home: custom client cache

internal/home/clients.go

@@ -417,6 +417,11 @@ func (clients *clientsContainer) UpstreamConfigByID(
 	)
 	c.UpstreamConfig = conf
 
+	err = clients.storage.Update(c.Name, c)
+	if err != nil {
+		return nil, fmt.Errorf("setting upstream config: %w", err)
+	}
+
 	return conf, nil
 }