[WIP] Fix ban by software version, some other under-hood changes

- Use updated version of upstream go-xmpp + fixes on client-side
- Introduce golangci-lint v2 + fixes
- Move especially noisy debugging stuff to separate config handles to be able to switch them off
- Add a bit debug to ban by software path

internal/jabber/commands.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 
 	"github.com/davecgh/go-spew/spew"
-	"github.com/eleksir/go-xmpp"
+	"github.com/xmppo/go-xmpp"
 )
 
 // Cmd парсит команды из чятика.
@@ -222,7 +222,11 @@ func (j *Jabber) Cmd(v xmpp.Chat) error {
 			}
 
 		default:
-			log.Infof("Rehash command from outer space: %s", spew.Sdump(v))
+			msg := "Rehash command from outer space: " + spew.Sdump(v)
+
+			for str := range strings.SplitSeq(msg, "\n") {
+				log.Info(str)
+			}
 
 		}