feat: `bat` command to build-and-test applications #1941

Job	Run time
ci (kubernetes, ./tests/bin/ci.sh -e 'test(7.\|8.)\|python.*', ubuntu-latest)	2m 1s
ci (kubernetes, ./tests/bin/ci.sh -i 'test7.' -e 'test7(b.\|c.\|d.\|e.\|f.\|g.\|h.)', ubuntu-la...	3m 54s
ci (kubernetes, ./tests/bin/ci.sh -i 'test7(b.\|c.\|d.\|e.\|g.\|h.)', ubuntu-latest)	3m 55s
ci (kubernetes, ./tests/bin/ci.sh -i 'test7f.*', ubuntu-latest)	3m 55s
ci (kubernetes, ./tests/bin/ci.sh -i 'test8.*', ubuntu-latest)	2m 30s
ci (kubernetes, /tmp/lunchpail bat demos/data-prep-kit, ubuntu-latest)	3m 56s
ci (kubernetes, ./tests/bin/go.sh, ubuntu-latest)	1m 38s
ci (kubernetes, ./tests/bin/pipelines.sh, ubuntu-latest)	3m 54s
ci (local, ./tests/bin/ci.sh -e 'test(7.\|8.)\|python.*', ubuntu-latest)	23s
ci (local, ./tests/bin/ci.sh -i 'test7.' -e 'test7(b.\|c.\|d.\|e.\|f.\|g.\|h.)', ubuntu-latest)	2m 45s
ci (local, ./tests/bin/ci.sh -i 'test7(b.\|c.\|d.\|e.\|g.\|h.)', ubuntu-latest)	2m 16s
ci (local, ./tests/bin/ci.sh -i 'test7f.*', ubuntu-latest)	2m 4s
ci (local, ./tests/bin/ci.sh -i 'test8.*', ubuntu-latest)	18s
ci (local, /tmp/lunchpail bat demos/data-prep-kit, ubuntu-latest)	3m 48s
ci (local, ./tests/bin/go.sh, ubuntu-latest)	1m 29s
ci (local, ./tests/bin/pipelines.sh, ubuntu-latest)	3m 52s
	42m 38s

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