Update EC2 AMIs for building Docker image

- Update base image for security hub findings
- Update java version - regular maintenance
- Update disk size - as multiple docker images builds are failing

Change-Id: Ia554bc067a16e99d29a96fc665430ea166012434
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
diff --git a/packer_custom.json b/packer_custom.json
index e96446d..878a294 100644
--- a/packer_custom.json
+++ b/packer_custom.json
@@ -8,14 +8,14 @@
   "builders": [
     {
       "type": "amazon-ebs",
-      "name": "ubuntu-20.04-custom",
+      "name": "ubuntu-custom",
       "vpc_id":  "{{user `vpc_id`}}",
       "subnet_id": "{{user `subnet_id`}}",
       "region": "{{user `vpc_region`}}",
       "source_ami_filter": {
         "filters": {
           "virtualization-type": "hvm",
-          "name": "ubuntu/images/*ubuntu-focal-20.04-amd64-server-*",
+          "name": "ubuntu/images/*ubuntu-noble-24.04-amd64-server-*",
           "root-device-type": "ebs"
         },
         "owners": ["099720109477"],
@@ -29,7 +29,7 @@
         {
           "device_name": "/dev/sda1",
           "volume_type": "gp2",
-          "volume_size": "80",
+          "volume_size": "200",
           "delete_on_termination": true
         }
       ],