Crashing indexers (pos, rewads, governacne)

It crashed due to a call that is not retried, here the logs:

```========================================
Container: namada-indexer-pos-1
Last 20 lines:
2025-06-25T00:28:22.896453Z ERROR pos: Failed to query Namada's last committed block: Failed to query Namada's current epoch
(repeats)
========================================
```