atlasaction: fixed `schema-name` input on actions #997

Job	Run time
migrate-down	30s
golangci-lint	22s
migrate-test	22s
schema-plan	18s
schema-apply (lint-review)	25s
schema-plan-approve	0s
schema-push	25s
schema-apply (on-the-fly, true)	18s
schema-apply (remote-repo, atlas://atlas-action/plans/20240910183610, atlas://atlas-action?tag=e2e)	18s
schema-test	25s
schema-apply (local-plan, file://20240910173744.plan.hcl)	20s
shim	12s
schema-apply (multiple-envs, file://20240910173744.plan.hcl)	18s
shim-e2e	5s
unit-tests	1m 30s
schema-apply (legacy, v0.27.0, true)	25s
	6m 13s

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