feat(l1): show healing in progress message at set intervals

[fmoletta]

Motivation
We are not able to perform estimations on when healing will end, but we should also not stay completely silent while healing takes place, as this is not very user-friendly.
This PR aims to add messages to inform wether state and storage healing are taking place, at the same pace as we show state sync and rebuild progress. For state sync, pending paths will be shown. These can give an insight on the progress, as the amount of paths will continuously increase as we progress through the trie, but will start gradually decreasing as we near the end of healing. For storages it is a slightly different story as we don't have the full number of pending storages available for showing so we only show the storages currently in the queue.

Description

• Periodically show amount of paths left during State Healing
• Periodically show storages in queue during Storage Healing

[github-actions]

Lines of code report

Total lines added: 14
Total lines removed: 0
Total lines changed: 14

Detailed view

+------------------------------------------------------+-------+------+
| File                                                 | Lines | Diff |
+------------------------------------------------------+-------+------+
| ethrex/crates/networking/p2p/sync/state_healing.rs   | 128   | +5   |
+------------------------------------------------------+-------+------+
| ethrex/crates/networking/p2p/sync/storage_healing.rs | 96    | +9   |
+------------------------------------------------------+-------+------+