Update changelog for 0.9.0 release (#436) #946

Job	Run time
lint	14s
build (stable)	2m 0s
build-all-features (stable)	2m 45s
build (beta)	2m 4s
clippy (stable)	1m 27s
build-all-features (beta)	1m 59s
build-no-alloc (thumbv6m-none-eabi)	2m 7s
build (nightly-2023-10-01)	2m 19s
clippy (beta)	1m 43s
build-all-features (nightly-2023-10-01)	1m 56s
build-no-alloc (thumbv7m-none-eabi)	1m 35s
coverage	2m 26s
build-no-alloc (thumbv8m.main-none-eabi)	2m 18s
deny (advisories)	55s
build-no-alloc (aarch64-linux-android)	1m 43s
doc (stable)	1m 1s
deny (bans licenses sources)	1m 2s
sort	59s
build-no-alloc (aarch64-apple-ios)	1m 48s
doc (beta)	1m 31s
build-no-alloc (wasm32-unknown-unknown)	1m 56s
test (stable)	5m 27s
test (beta)	5m 56s
test (nightly-2023-10-01)	6m 28s
	53m 39s

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