v0.23.0

SimpleWorkflows v0.23.0

Diff since v0.22.0

Merged pull requests:

• CompatHelper: bump compat for EasyJobsBase to 0.4, (keep existing compat) (#166) (@github-actions[bot])
• Implement iterate interface eachjob for AbstractWorkflows (#167) (@singularitti)
• Implement indexing interface for EachJob (#168) (@singularitti)
• Add src/operations.jl & Fix topological_sort_by_dfs was discarded (?) in the Workflow constructor (#169) (@singularitti)