The Post’s experts give their Knicks-76ers predications: Stefan Bondy The Sixers lack bench depth, and Joel Embiid is an injury waiting to happen, not to mention Paul George’s historical frailty. The Knicks are coming off a dominant final three games of the first round, and that should carry over to the conference semis. Prediction: Knicks in 5. Zach Braziller Jalen Brunson drives on Joel Embiid during the Knicks’ Jan. 1 game against the 76ers. Jason Szenes for the NY Post Are the brittle 76ers going to be able to withstand another long series after going to seven games with the Celtics? The bet here is no. The Knicks’ depth and interior muscle win out in the end. Prediction: Knicks in 6. Jared Schwartz Are the 76ers a surging and dangerous team? Or were the Celtics flawed? I’m leaning toward the latter. The 76ers’ top-end talent can match that of the Knicks, but the Knicks have way more firepower and depth. And they are surging themselves. Prediction: Knicks in 6.…