chore(affinescript): bump submodule pointer 038fc37 -> 1ba5b92

Picks up 8 upstream affinescript commits, including:
- docs: import thesis guides + tropical session types from Desktop staging (1ba5b92)
- ADR-007 hybrid surface syntax + BUG-001/002/003 closure
- QTT-orthodox scaled Let rule + L-to-R eval_list
- Manhattan Recovery scope rip (#19)
- .as -> .affine extension migration (#15, #16, #17)

Author: hyperpolymath