To be merged:
Combined stencils for icon4py
* solve_30_to_38

Combined stencils lowering to dace
* solve_41_to_60 (PR exists)
* solve_15_to_28 (not looked at yet)
* solve_30_to_38 (not looked at yet)

Optional TODO:
* make solve_15_to_28 dace compatible
* combine solve_39_to_40 and solve_41_to_60
* combine vel_adv_8_to_13, 14, 15_to_18 to 8_to_18

Blue Line:
* change to r19b08_24h
* make icon_ch2