I wouldn't imagine you can upgrade that. If I was to guess, I'd say that CPU is going to be soldered onto the mainboard, I was under the impression the vast majority of laptop CPUs had been for quite a great many years.
Desktop: i7-4770, 16GB DDR3, ASRock Z87 Pro4 and ✨XFX Radeon RX480 8GB✨
Laptop: Acer Swift 3 (Ryzen 4500U, 8GB RAM, 1TB SSD) in ~purple~