chore: upgrade hashbrown deps to 0.15 #243

Job	Run time
run with leak saniziter	5m 22s
run with address saniziter	5m 59s
run with single worker thread and deadlock detection	4m 49s
check build with madsim	1m 50s
misc check	4s
rust ffmt check (ubuntu-latest)	19s
rust udeps test (ubuntu-latest)	6m 49s
rust ffmt check (macos-latest)	16s
rust ffmt check (windows-latest)	1m 46s
rust udeps test (macos-latest)	6m 39s
rust test with codecov (ubuntu-latest, stable)	10m 57s
rust udeps test (windows-latest)	12m 48s
rust test with codecov (ubuntu-latest, 1.81.0)	9m 19s
rust test with codecov (macos-latest, stable)	4m 50s
rust test with codecov (macos-latest, 1.81.0)	3m 51s
rust test with codecov (windows-latest, stable)	11m 22s
rust test with codecov (windows-latest, 1.81.0)	9m 46s
	1h 36m 46s

Provide feedback