20.5.11.1: Fix job names in deployment.yml
From https://github.com/notlmn/copy-as-markdown/actions/runs/101354661. Job names in GitHub Actions scripts can not contains spaces, so reverting back to all lowercase characters separated by `-`.
From https://github.com/notlmn/copy-as-markdown/actions/runs/101354661. Job names in GitHub Actions scripts can not contains spaces, so reverting back to all lowercase characters separated by `-`.