Increase jira root volume

I could have done a separate /opt volume, but decided against it for
simplicity. LMK if you think that's the wrong decision.

To be tagged v1.21.5

base/jira/instance_jira/main.tf

@@ -40,7 +40,7 @@ resource "aws_instance" "jira-server-instance" {
   # These device definitions are optional, but added for clarity.
   root_block_device {
       volume_type = "gp3"
-      #volume_size = "60"
+      volume_size = "100"
       delete_on_termination = true
       encrypted = true
       kms_key_id = data.aws_kms_key.ebs-key.arn