chore: prepare to release v0.1.6 #89

Job	Run time
changed_paths	6s
Check no_std (alloc)	13s
Check no_std (static)	9s
Compile benchmarks	14s
Miri tests	1m 35s
Clippy check	16s
models in 'mpsc_blocking'	1m 22s
models in 'mpsc_async'	2m 34s
rustfmt	5s
model 'mpsc_send_recv_wrap''	1m 23s
models in 'thingbuf'	2m 4s
Tests (stable, ubuntu-latest)	26s
model 'mpsc_try_send_recv''	1m 38s
models in 'util'	1m 13s
Tests (stable, windows-latest)	1m 24s
model 'mpsc_try_recv_ref''	1m 39s
Tests (stable, macos-latest)	40s
model 'mpsc_test_skip_slot''	1m 46s
model 'mpsc_async::rx_close_unconsumed''	1m 14s
model 'mpsc_blocking::rx_close_unconsumed''	1m 26s
all loom models	1s
	21m 28s

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