bug: forc index deploy does not update the indexer's created_at timestamp

[lostman]

cargo run -p forc-index -- deploy --replace-indexer --path examples/fuel-explorer/fuel-explorer/
    Finished dev [unoptimized + debuginfo] target(s) in 0.70s
     Running `target/debug/forc-index deploy --replace-indexer --path examples/fuel-explorer/fuel-explorer/`
▹▹▸▹▹ ⏰ Building indexer...
Finished release [optimized] target(s) in 0.41s
▪▪▪▪▪ ✅ Build succeeded.
 Deploying indexer...
▪▪▪▪▪ ✅ Successfully deployed indexer. 

forc index status

✅ Successfully fetched service health:

client status: OK
database status: OK
uptime: 3m 48s

Indexers:

─ fuellabs
   └─ explorer
      • id: 1
      • created at: 2023-11-09 10:11:18.396920 UTC (10h 8m 42s ago)
      • status: running
      • status message:
          Indexed 415940 blocks