ci: update windows runner

add edit mode

img2img: init concat to NULL

Fix server build

non-square VAE tiling (#3)

* refactor tile number calculation

* support non-square tiles

* add env var to change tile overlap

* add safeguards and better error messages for SD_TILE_OVERLAP

* add safeguards and include overlapping factor for SD_TILE_SIZE

* avoid rounding issues when specifying SD_TILE_SIZE as a factor

* lower SD_TILE_OVERLAP limit

Avoid converting tensor names multiple times

Chroma/Pixart T5: Disable attention masking by default

T5: Send attention mask to backend (just in case clip_on_cpu is ever …

…disabled)

apg: add SD_LOG_CFG_DELTA_NORM

Handle graph compute failures more gracefully