feat: enable all zen codecs (nodes-all + zencodecs/all)

Enable every codec in the zen pipeline:
- zenpipe: add nodes-all (avif, jxl, tiff, bmp, quant, heic nodes)
- zencodecs: add all (avif-encode, jxl-encode, tiff, raw, ultrahdr, etc.)

Builds cleanly locally.

Author: lilith