Add missing <memory> header #2988

Job	Run time
Quick Checks	11s
Documentation	13m 37s
ubuntu-22.04 / gcc / Debug	3m 56s
Linting	12m 30s
ubuntu-22.04 / gcc / RelWithDebInfo	7m 48s
windows-2022 / Debug	23m 1s
ubuntu-20.04 / clang / Debug	3m 51s
windows-2022 / RelWithDebInfo	24m 10s
ubuntu-20.04 / clang / RelWithDebInfo	3m 54s
macos-15 / clang / Debug	7m 54s
macos-15 / clang / RelWithDebInfo	4m 22s
	1h 45m 14s

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