Added SO-5-6_4.55x3.7mm_P1.27mm

This MR adds a 3D model for the SO-5-6_4.55x3.7mm_P1.27mm footprint.

Symbol MR: kicad-symbols!4454 (merged)

FP gen MR: kicad-footprint-generator!1097 (merged)

FP MR: kicad-footprints!3598 (merged)

3D gen MR: kicad-packages3D-generator!190 (merged)

---

• A screenshot of the model(s) aligned with KiCad footprint(s)
• Source files are contributed on the apropriate location
  • Link to the package3d-source pull request or to the script pull request
• Step model submitted in 1:1 scale
• WRL model submitted in 1:2.54 scale
• 3D model alignment checked against KiCad footprint
• WRL model uses correct material properties
• Geometry check performed on the model