Add Node debian core variant #12

Job	Run time
generate-matrix	5s
build (18.20.0, alpine3.18)	25s
build (18.20.0, alpine3.19)	29s
build (18.20.0, bookworm)	35s
build (bookworm-slim, 18.20.0, bookworm-core)	43s
build (18.20.0, bookworm-slim)	37s
build (18.20.0, bullseye)	40s
build (bullseye-slim, 18.20.0, bullseye-core)	41s
build (18.20.0, bullseye-slim)	39s
build (18.20.0, buster)	48s
build (buster-slim, 18.20.0, buster-core)	44s
build (18.20.0, buster-slim)	49s
build (20.12.0, alpine3.18)	17s
build (20.12.0, alpine3.19)	19s
build (20.12.0, bookworm)	38s
build (bookworm-slim, 20.12.0, bookworm-core)	1m 1s
build (20.12.0, bookworm-slim)	40s
build (20.12.0, bullseye)	38s
build (bullseye-slim, 20.12.0, bullseye-core)	40s
build (20.12.0, bullseye-slim)	35s
build (20.12.0, buster)	45s
build (buster-slim, 20.12.0, buster-core)	50s
build (20.12.0, buster-slim)	40s
build (21.7.1, alpine3.18)	18s
build (21.7.1, alpine3.19)	18s
build (21.7.1, bookworm)	45s
build (bookworm-slim, 21.7.1, bookworm-core)	52s
build (21.7.1, bookworm-slim)	38s
build (21.7.1, bullseye)	42s
build (bullseye-slim, 21.7.1, bullseye-core)	52s
build (21.7.1, bullseye-slim)	47s
	19m 30s

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