Add Node debian core variant #14

Job	Run time
generate-matrix	4s
build (18.20.0, alpine3.18)	25s
build (18.20.0, alpine3.19)	24s
build (18.20.0, bookworm)	35s
build (18.20.0, bookworm-core, bookworm-slim)	56s
build (18.20.0, bookworm-slim)	39s
build (18.20.0, bullseye)	38s
build (18.20.0, bullseye-core, bullseye-slim)	43s
build (18.20.0, bullseye-slim)	45s
build (18.20.0, buster)	43s
build (18.20.0, buster-core, buster-slim)	50s
build (18.20.0, buster-slim)	39s
build (20.12.0, alpine3.18)	18s
build (20.12.0, alpine3.19)	16s
build (20.12.0, bookworm)	37s
build (20.12.0, bookworm-core, bookworm-slim)	41s
build (20.12.0, bookworm-slim)	44s
build (20.12.0, bullseye)	42s
build (20.12.0, bullseye-core, bullseye-slim)	42s
build (20.12.0, bullseye-slim)	39s
build (20.12.0, buster)	42s
build (20.12.0, buster-core, buster-slim)	40s
build (20.12.0, buster-slim)	46s
build (21.7.1, alpine3.18)	22s
build (21.7.1, alpine3.19)	18s
build (21.7.1, bookworm)	34s
build (21.7.1, bookworm-core, bookworm-slim)	50s
build (21.7.1, bookworm-slim)	42s
build (21.7.1, bullseye)	34s
build (21.7.1, bullseye-core, bullseye-slim)	41s
build (21.7.1, bullseye-slim)	39s
	18m 48s

Provide feedback