Release v4.1.0: version bump and ChangeLog #296

Job	Run time
select	2s
fuzz (fuzz-smoke-pqc, 60, true, --enable-dilithium --enable-mlkem --enable-experimental --enable-...	1m 51s
fuzz (fuzz-smoke, 60, true, 4096)	2m 1s
	3m 54s

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