Fix: include the two latest ledger state snapshots in the ancillary archive

[dlachaume]

Content

This PR includes a fix that adds the two most recent ledger state snapshots to the ancillary archive.
It improves the reliability of Cardano node fast bootstrap, preventing full chain replays when restarting the node.

Pre-submit checklist

• Branch
  • Tests are provided (if possible)
  • Crates versions are updated (if relevant)
  • CHANGELOG file is updated (if relevant)
  • Commit sequence broadly makes sense
  • Key commits have useful messages
• PR
  • All check jobs of the CI have succeeded
  • Self-reviewed the diff
  • Useful pull request description
  • Reviewer requested
• Documentation
  • Update README file (if relevant)
  • Update documentation website (if relevant)
  • Add dev blog post (if relevant)
  • Add ADR blog post or Dev ADR entry (if relevant)
  • No new TODOs introduced

Issue(s)

Closes #2474

[github-actions]

Test Results

    3 files  ±0     57 suites  ±0   11m 7s ⏱️ -26s
1 913 tests +1  1 913 ✅ +1  0 💤 ±0  0 ❌ ±0 
2 393 runs  +1  2 393 ✅ +1  0 💤 ±0  0 ❌ ±0 

Results for commit 8e13f58. ± Comparison against base commit 4d382b9.

This pull request removes 1 and adds 2 tests. Note that renamed tests count towards both.

mithril-aggregator ‑ services::snapshotter::compressed_archive_snapshotter::tests::snapshot_ancillary::create_archive_should_embed_only_last_ledger_and_last_immutables

mithril-aggregator ‑ services::snapshotter::compressed_archive_snapshotter::tests::snapshot_ancillary::create_archive_should_embed_only_two_last_ledgers_and_last_immutables
mithril-aggregator ‑ services::snapshotter::compressed_archive_snapshotter::tests::snapshot_ancillary::getting_files_to_include_fails_when_no_ledger_file_found

♻️ This comment has been updated with latest results.

[jpraynaud]

LGTM 👍

[turmelclem]

LGTM

[Alenar]

LGTM