update celo alfajores config

ccip/config/evm/Celo_Testnet.toml

@@ -1,20 +1,30 @@
 ChainID = '44787'
 ChainType = 'celo'
-FinalityDepth = 10
-LogPollInterval = '5s'
-MinIncomingConfirmations = 1
+FinalityTagEnabled = true
+FinalityDepth = 2750 # mean finality time of ~37 minutes + 500 block buffer
+LogPollInterval = '1s' # 1 sec block rate
 NoNewHeadsThreshold = '1m'
-OCR.ContractConfirmations = 1
-NoNewFinalizedHeadsThreshold = '1m'
+MinIncomingConfirmations = 1
+NoNewFinalizedHeadsThreshold = '45m' # Set slightly higher than mean finality time
 
 [GasEstimator]
-PriceDefault = '5 gwei'
-PriceMax = '500 gwei'
-PriceMin = '5 gwei'
-BumpMin = '2 gwei'
+EIP1559DynamicFees = true
+PriceMin = '5 gwei' # Mean gas price around 5 gwei and celo txns are extremely cheap at ~0.00088 CELO per txn ($0.000058)
+PriceMax = '1000 gwei' # DS&A recommendation
 
 [GasEstimator.BlockHistory]
-BlockHistorySize = 24
+# Default is 8, which leads to bumpy gas prices. In CCIP
+# we want to smooth out the gas prices, so we increase the sample size.
+BlockHistorySize = 200
+
+[Transactions]
+ResendAfterThreshold = '30s'
 
 [HeadTracker]
-HistoryDepth = 50
+HistoryDepth = 2750 # Same as FinalityDepth
+
+[NodePool]
+SyncThreshold = 10 # recommended for OP stack chains
+
+[OCR]
+ContractConfirmations = 1 # recommended for OP stack chains