sqlite: add diagnostic channel #4211

Job	Run time
Build slim tarball	1m 54s
aarch64-linux: with shared libraries	21m 9s
x86_64-darwin: with shared libraries	30m 31s
x86_64-linux: with shared libraries	25m 50s
aarch64-darwin: with shared libraries	23m 12s
	1h 42m 36s

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