chore(deps): bump hashbrown to 0.15 #2064

Job	Run time
miri --no-default-features	4m 42s
check no_std	46s
miri	4m 47s
clippy	53s
miri --all-features	7m 38s
fmt	13s
features stable	1m 47s
test ubuntu-latest stable --no-default-features	1m 7s
test ubuntu-latest stable	1m 12s
features stable --all-targets	2m 57s
test ubuntu-latest nightly --no-default-features	56s
features nightly	1m 38s
docs	37s
test ubuntu-latest nightly	52s
features nightly --all-targets	2m 56s
test ubuntu-latest 1.79 --no-default-features	43s
wasm	32s
test ubuntu-latest 1.79	38s
test windows-latest stable --no-default-features	2m 13s
test windows-latest stable	2m 13s
test windows-latest nightly --no-default-features	2m 13s
test windows-latest nightly	2m 18s
test windows-latest 1.79 --no-default-features	1m 31s
test windows-latest 1.79	1m 35s
test ubuntu-latest 1.79 --features json	39s
test windows-latest 1.79 --features json	1m 31s
test ubuntu-latest nightly --all-features	1m 11s
test windows-latest nightly --all-features	2m 32s
	52m 50s

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