Now the dust is beginning to settle on Arsenal’s unsuccessful pursuit of Benjamin Sesko, the club’s transfer plans moving forward have become clearer. Mikel Arteta isn’t desperate to add a new striker to his squad this summer, a move for Sesko was seen as a market opportunity. That’s not to say that Arsenal won’t move for another forward – far from it, Edu will seek to take advantage of any situation that arises, but this summer has always been about improving squad depth. William Saliba played every Premier League minute last season, an unsustainable feat given several other Arsenal players a…