Add VQFN-24-1EP_4x4mm_P0.5mm_EP2.5x2.5mm

Rework of !2454 (closed), this time generated by a script. Also, Microchip classifies the package as a VQFN instead of QFN.

Datasheet: https://ww1.microchip.com/downloads/aemDocuments/documents/product-documents/package-drawings/24L-VQFN%E2%80%934x4x0.9mm-MJ-C04-00143b.pdf

Footprint generator MR: kicad-footprint-generator!849 (merged)