Add support for `axlearn` #3961

Job	Run time
metadata	1s
bump-manifest	28s
amd64 / build-base / build-base	3m 29s
arm64 / build-base / build-base	3m 43s
arm64 / build-jax / build-jax	16m 40s
amd64 / build-jax / build-jax	17m 57s
arm64 / build-axlearn	0s
arm64 / collect-docker-tags	1s
arm64 / test-axlearn-eks	0s
arm64 / test-axlearn-fuji-models-eks	0s
amd64 / build-axlearn / build-axlearn	12m 16s
amd64 / test-axlearn-fuji-models-eks	20m 48s
amd64 / test-axlearn-eks	1h 38m 46s
amd64 / collect-docker-tags	1s
make-publish-configs	1s
merge-new-manifest	0s
finalize / report	8s
finalize / workflow-badge	5s
finalize / upload-badge	4s
finalize / publish-badge	4s
	2h 54m 32s

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