all: sync rc fix with master

internal/home/home.go

@@ -494,7 +494,14 @@ func initWeb(opts options, clientBuildFS fs.FS, upd *updater.Updater) (web *webA
 		}
 	}
 
-	disableUpdate := opts.disableUpdate || version.Channel() == version.ChannelDevelopment
+	disableUpdate := opts.disableUpdate
+	switch version.Channel() {
+	case
+		version.ChannelDevelopment,
+		version.ChannelCandidate:
+		disableUpdate = true
+	}
+
 	if disableUpdate {
 		log.Info("AdGuard Home updates are disabled")
 	}

internal/version/version.go

@@ -14,9 +14,10 @@ import (
 
 // Channel constants.
 const (
+	ChannelBeta        = "beta"
+	ChannelCandidate   = "candidate"
 	ChannelDevelopment = "development"
 	ChannelEdge        = "edge"
-	ChannelBeta        = "beta"
 	ChannelRelease     = "release"
 )