How this SVG was created
2023-10-03

Adobe Express PNG to SVG converter:
1. Submit the original PNG to the online Adobe Express PNG to SVG converter tool:
   https://new.express.adobe.com/tools/convert-to-svg
2. Use Inkscale to delete the black background so that it becomes transparent.

Also tried, but creates output SVGs with more pronounced banding effects: 
1. Submit the original PNG to the online png.to converter tool:
   https://png.to/svg/


How this SVG was resized
2023-10-10

$ rsvg-convert icon.svg -w 16 -h 16 -f svg -o icon_16x16.svg