update to memleak fixes - nostrdb-rs

commit 625837ca96fd912f402f7947b829e90f5100f660
parent f45e873954dc0ba06153c5c8d3e497a3c6fd44c9
Author: William Casarin <jb55@jb55.com>
Date:   Fri, 11 Jul 2025 11:43:10 -0700

update to memleak fixes

Signed-off-by: William Casarin <jb55@jb55.com>

	nostrdb-rs nostrdb in rust!
	git clone git://jb55.com/nostrdb-rs
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