fix: Autoupdate should be disabled by default (#1797)

Author: npalm

Diff for: modules/runners/README.md

@@ -119,7 +119,7 @@ yarn run dist
 | <a name="input_block_device_mappings"></a> [block\_device\_mappings](#input\_block\_device\_mappings) | The EC2 instance block device configuration. Takes the following keys: `device_name`, `delete_on_termination`, `volume_type`, `volume_size`, `encrypted`, `iops` | `map(string)` | `{}` | no |
 | <a name="input_cloudwatch_config"></a> [cloudwatch\_config](#input\_cloudwatch\_config) | (optional) Replaces the module default cloudwatch log config. See https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html for details. | `string` | `null` | no |
 | <a name="input_create_service_linked_role_spot"></a> [create\_service\_linked\_role\_spot](#input\_create\_service\_linked\_role\_spot) | (optional) create the service linked role for spot instances that is required by the scale-up lambda. | `bool` | `false` | no |
-| <a name="input_disable_runner_autoupdate"></a> [disable\_runner\_autoupdate](#input\_disable\_runner\_autoupdate) | Disable the auto update of the github runner agent. Be-aware there is a grace period of 30 days, see also the [GitHub article](https://github.blog/changelog/2022-02-01-github-actions-self-hosted-runners-can-now-disable-automatic-updates/) | `bool` | `true` | no |
+| <a name="input_disable_runner_autoupdate"></a> [disable\_runner\_autoupdate](#input\_disable\_runner\_autoupdate) | Disable the auto update of the github runner agent. Be-aware there is a grace period of 30 days, see also the [GitHub article](https://github.blog/changelog/2022-02-01-github-actions-self-hosted-runners-can-now-disable-automatic-updates/) | `bool` | `false` | no |
 | <a name="input_egress_rules"></a> [egress\_rules](#input\_egress\_rules) | List of egress rules for the GitHub runner instances. | <pre>list(object({<br>    cidr_blocks      = list(string)<br>    ipv6_cidr_blocks = list(string)<br>    prefix_list_ids  = list(string)<br>    from_port        = number<br>    protocol         = string<br>    security_groups  = list(string)<br>    self             = bool<br>    to_port          = number<br>    description      = string<br>  }))</pre> | <pre>[<br>  {<br>    "cidr_blocks": [<br>      "0.0.0.0/0"<br>    ],<br>    "description": null,<br>    "from_port": 0,<br>    "ipv6_cidr_blocks": [<br>      "::/0"<br>    ],<br>    "prefix_list_ids": null,<br>    "protocol": "-1",<br>    "security_groups": null,<br>    "self": null,<br>    "to_port": 0<br>  }<br>]</pre> | no |
 | <a name="input_enable_cloudwatch_agent"></a> [enable\_cloudwatch\_agent](#input\_enable\_cloudwatch\_agent) | Enabling the cloudwatch agent on the ec2 runner instances, the runner contains default config. Configuration can be overridden via `cloudwatch_config`. | `bool` | `true` | no |
 | <a name="input_enable_ephemeral_runners"></a> [enable\_ephemeral\_runners](#input\_enable\_ephemeral\_runners) | Enable ephemeral runners, runners will only be used once. | `bool` | `false` | no |

Diff for: modules/runners/variables.tf

@@ -499,5 +499,5 @@ variable "pool_config" {
 variable "disable_runner_autoupdate" {
   description = "Disable the auto update of the github runner agent. Be-aware there is a grace period of 30 days, see also the [GitHub article](https://github.blog/changelog/2022-02-01-github-actions-self-hosted-runners-can-now-disable-automatic-updates/)"
   type        = bool
-  default     = true
+  default     = false
 }