[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/query_version.go

@@ -4,11 +4,11 @@ import (
 	"buny-jabber-bot/internal/log"
 	"fmt"
 
-	"github.com/eleksir/go-xmpp"
 	"github.com/google/uuid"
+	"github.com/xmppo/go-xmpp"
 )
 
-// QuerySoftwareVersion запрошивает версию и название клиента.
+// QuerySoftwareVersion запрашивает версию и название клиента.
 func (j *Jabber) QuerySoftwareVersion(jid string) (string, error) {
 	var (
 		id  string