Add the SQLite CLI for `augur merge` #1431

Job	Run time
lint	4s
build	50m 49s
test (${{ matrix.platform }})	0s
Validate platforms	0s
push-branch	0s
push-build	0s
cleanup-registry	4s
test-pathogen-repo-ci-v0 (${{ matrix.pathogen }})	0s
test-pathogen-repo-ci (${{ matrix.pathogen }})	0s
	50m 57s

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