multi: bump Go version

Bump all build go versions to v1.21.0
Bump the minimum build package version to v1.19.0

Debian "buster" is not longer supported. Security updates have been
discontinued since June 30th 2022. We will build using the latest
version, "bookworm".

queue/go.mod

@@ -4,4 +4,4 @@ require github.com/lightningnetwork/lnd/ticker v1.0.0
 
 replace github.com/lightningnetwork/lnd/ticker v1.0.0 => ../ticker
 
-go 1.16
+go 1.19