sqlite: allow setting defensive flag #252

Job	Run time
Build slim tarball	1m 36s
x86_64-linux: with shared libraries	35m 31s
aarch64-linux: with shared libraries	29m 2s
x86_64-darwin: with shared libraries	54m 35s
aarch64-darwin: with shared libraries	31m 14s
	2h 31m 58s

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