Add alerts for aggregation mode

Description

How to Test

1. make anvil_start
2. make batcher_start_local
3. make batcher_send_risc0_burst BURST_SIZE=4
4. Create and complete .env file in the following location ./alerts/.env

   CONTRACT_ADDRESS=0xB0D4afd8879eD9F52b28595d31B441D079B2Ca07
   AGGREGATED_PROOF_VERIFIED_TOPIC=0xfe3e9e971000ab9c80c7e06aba2933aae5419d0e44693e3046913e9e58053f62
   RPC_URL=http://localhost:8545
   LOGS_BLOCK_RANGE=50
   SLEEP_TIME=30
   PAGER_DUTY_KEY=YOUR_PAGER_DUTY_KEY
   PAGER_DUTY_EMAIL=YOUR_PAGER_DUTY_EMAIL
   PAGER_DUTY_SERVICE_ID=YOUR_PAGER_DUTY_SERVICE_ID
   SLACK_WEBHOOK_URL=YOUR_SLACK_WEBHOOK_URL
   TELEGRAM_BOT_TOKEN=YOUR_TELEGRAM_BOT_TOKEN
   TELEGRAM_CHAT_ID=YOUR_TELEGRAM_CHAT_ID
   

5. Wait for at least to the block 50 in anvil
6. Now run the alert script with ./alerts/aggregation_mode_alerts.sh ./alerts/.env
   You should see a message like

   🚨  ALERT Aggregation Mode: No new aggregated proofs since block 53
   

7. AGGREGATOR=risc0 make start_proof_aggregator_dev
8. After the AggregationMode finishes, you should see the following logs in the alerts script

   🟩  INFO Aggregation Mode: Aggregated proofs creation resumed since block 299
   

Note: You will see error logs when trying to send the alerts to slack/telegram, you can set your own values

Type of change

• Infra

Checklist

• “Hotfix” to testnet, everything else to staging
• Linked to Github Issue
• This change depends on code or research by an external entity
  • Acknowledgements were updated to give credit
• Unit tests added
• This change requires new documentation.
  • Documentation has been added/updated.
• This change is an Optimization
  • Benchmarks added/run
• Has a known issue
  • Link to the open issue addressing it
• If your PR changes the Operator compatibility (Ex: Upgrade prover versions)
  • This PR adds compatibility for operator for both versions and do not change batcher/docs/examples
  • This PR updates batcher and docs/examples to the newer version. This requires the operator are already updated to be compatible