Increase base node EBS volume size (#20)

Author: pmatsinopoulos

terraform/production/terraform.tfvars

@@ -54,7 +54,7 @@ base_node = {
   ebs_volume = {
     # This should be: (2 * current_chain_size) + snapshot_size + 20%_buffer
     # What is the current_chain_size for base-mainnet? Check https://beaconcha.in/ for the latest
-    size       = 8192 # GB, 8TB
+    size       = 9216 # GB, 8TB
     type       = "gp3"
     iops       = 6000
     throughput = 250