Allocate the band sprite with nothrow new so a failed band falls back to
the panel path (drawDirect) rather than tripping the global new-handler.
Bumps the esp32-lua-api submodule for the tree-vector reserve fix, which is
what actually stops the bad_alloc under memory pressure.
UNVALIDATED: emulator-only. A 12-sensor BLETemp reproducer that reset the
board now runs stable in the emu, but hardware headroom with NimBLE live is
untested.
evan
a5eeac1b3b