sqlite: add diagnostic channel #5148

Job	Run time
Build slim tarball	1m 56s
x86_64-darwin: with shared libraries	38m 22s
aarch64-darwin: with shared libraries	21m 50s
aarch64-linux: with shared libraries	20m 34s
x86_64-linux: with shared libraries	24m 29s
	1h 47m 11s

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