merge bitcoin#28341: Use HashWriter over legacy CHashWriter #70

Job	Run time
Build Image	22s
Build Dependencies (arm-linux, arm-linux-gnueabihf)	1m 13s
Build Dependencies (linux64, x86_64-pc-linux-gnu)	1m 8s
Build Dependencies (linux64_tsan, x86_64-pc-linux-gnu)	1m 11s
Build Dependencies (linux64_ubsan, x86_64-pc-linux-gnu)	1m 13s
Build Dependencies (linux64_fuzz, x86_64-pc-linux-gnu)	1m 15s
Build Dependencies (linux64_cxx20, x86_64-pc-linux-gnu)	1m 14s
Build Dependencies (linux64_sqlite, x86_64-pc-linux-gnu)	1m 8s
Build Dependencies (linux64_nowallet, x86_64-pc-linux-gnu)	1m 10s
Build (arm-linux, arm-linux-gnueabihf)	41m 15s
Build (linux64, x86_64-pc-linux-gnu)	19m 44s
Build (linux64_tsan, x86_64-pc-linux-gnu)	24m 55s
Build (linux64_ubsan, x86_64-pc-linux-gnu)	29m 9s
Build (linux64_fuzz, x86_64-pc-linux-gnu)	14m 14s
Build (linux64_cxx20, x86_64-pc-linux-gnu)	19m 50s
Build (linux64_sqlite, x86_64-pc-linux-gnu)	22m 39s
Build (linux64_nowallet, x86_64-pc-linux-gnu)	23m 17s
	3h 24m 57s

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