sqlite: add diagnostic channel #4216

Job	Run time
Build slim tarball	2m 15s
aarch64-linux: with shared libraries	18m 14s
x86_64-darwin: with shared libraries	33m 29s
x86_64-linux: with shared libraries	22m 32s
aarch64-darwin: with shared libraries	20m 40s
	1h 37m 10s

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