chore: KiBot CAD update

chore(main): release backplane 0.7.2 (#50) * chore(main): release backplane 0.7.2 * chore: update KiCad revisions --------- Co-authored-by: mikesmitty

chore: KiBot CAD update

fix: fix fan header pinouts

chore: update case for esp32 mgmt module

chore: clean up conditional imports

refactor: move sensor and binary sensor classes

chore: update reference to otw_threshold_index scope

chore: swap OTW icons

chore: rename requested_current sensor