feat(combat): remove item selector from simple attack technique

fix(combat): wait for a second after casting a skill

This seems to be the "reload" period needed until
the character may move again

feat(pathfinding): add user cancelling to walk manager

feat(pathfinding): create custom pathfinding

chore: update dependencies

fix(combat): adjust walk in range behavior to not sit idle too much

fix(combat): cancel combat when cancellation token is cancelled

fix(combat): wait for a while after using a skill

More player like behavior.

fix(combat): null skill after it was used

fix(combat): dispose cancellation token in use skill

feat(combat): reset walk in range operation if the target moved

fix(combat): reset attack command if new target is different

fix(combat): make skill cancellation tokens actions async

feat(combat): make target id long

feat(combat): return current target from combat technique

fix(combat): support minimal walk in range distance 0

chore(combat): update versions

feat(combat): use attack command in combat manager

docs(combat): add missing documentation

fix(combat): remove trailing whitespace