docs: Update max_message_size following provider update (#78)

* Update `max_message_size` following provider update

Following this thread hashicorp/terraform-provider-aws#43692 and the 6.8.0 release notes https://github.com/hashicorp/terraform-provider-aws/blob/v6.8.0/CHANGELOG.md

* pre-commit run -a

Author: the-noob

README.md

@@ -227,7 +227,7 @@ No modules.
 | <a name="input_fifo_throughput_limit"></a> [fifo\_throughput\_limit](#input\_fifo\_throughput\_limit) | Specifies whether the FIFO queue throughput quota applies to the entire queue or per message group | `string` | `null` | no |
 | <a name="input_kms_data_key_reuse_period_seconds"></a> [kms\_data\_key\_reuse\_period\_seconds](#input\_kms\_data\_key\_reuse\_period\_seconds) | The length of time, in seconds, for which Amazon SQS can reuse a data key to encrypt or decrypt messages before calling AWS KMS again. An integer representing seconds, between 60 seconds (1 minute) and 86,400 seconds (24 hours) | `number` | `null` | no |
 | <a name="input_kms_master_key_id"></a> [kms\_master\_key\_id](#input\_kms\_master\_key\_id) | The ID of an AWS-managed customer master key (CMK) for Amazon SQS or a custom CMK | `string` | `null` | no |
-| <a name="input_max_message_size"></a> [max\_message\_size](#input\_max\_message\_size) | The limit of how many bytes a message can contain before Amazon SQS rejects it. An integer from 1024 bytes (1 KiB) up to 262144 bytes (256 KiB) | `number` | `null` | no |
+| <a name="input_max_message_size"></a> [max\_message\_size](#input\_max\_message\_size) | The limit of how many bytes a message can contain before Amazon SQS rejects it. An integer from 1024 bytes (1 KiB) up to 1048576 bytes (1024 KiB). The default for this attribute is 262144 (256 KiB). | `number` | `null` | no |
 | <a name="input_message_retention_seconds"></a> [message\_retention\_seconds](#input\_message\_retention\_seconds) | The number of seconds Amazon SQS retains a message. Integer representing seconds, from 60 (1 minute) to 1209600 (14 days) | `number` | `null` | no |
 | <a name="input_name"></a> [name](#input\_name) | This is the human-readable name of the queue. If omitted, Terraform will assign a random name | `string` | `null` | no |
 | <a name="input_override_dlq_queue_policy_documents"></a> [override\_dlq\_queue\_policy\_documents](#input\_override\_dlq\_queue\_policy\_documents) | List of IAM policy documents that are merged together into the exported document. In merging, statements with non-blank `sid`s will override statements with the same `sid` | `list(string)` | `[]` | no |

variables.tf

@@ -51,7 +51,7 @@ variable "kms_master_key_id" {
 }
 
 variable "max_message_size" {
-  description = "The limit of how many bytes a message can contain before Amazon SQS rejects it. An integer from 1024 bytes (1 KiB) up to 262144 bytes (256 KiB)"
+  description = "The limit of how many bytes a message can contain before Amazon SQS rejects it. An integer from 1024 bytes (1 KiB) up to 1048576 bytes (1024 KiB). The default for this attribute is 262144 (256 KiB)."
   type        = number
   default     = null
 }