feat: Update docker provider pin to 2.x in docker-build submodule (#401)

Author: mbeacom

modules/docker-build/README.md

@@ -54,15 +54,15 @@ module "docker_image" {
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.1 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.22 |
-| <a name="requirement_docker"></a> [docker](#requirement\_docker) | >= 2.12 |
+| <a name="requirement_docker"></a> [docker](#requirement\_docker) | >= 2.12, < 3.0 |
 | <a name="requirement_null"></a> [null](#requirement\_null) | >= 2.0 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
 | <a name="provider_aws"></a> [aws](#provider\_aws) | >= 4.22 |
-| <a name="provider_docker"></a> [docker](#provider\_docker) | >= 2.12 |
+| <a name="provider_docker"></a> [docker](#provider\_docker) | >= 2.12, < 3.0 |
 | <a name="provider_null"></a> [null](#provider\_null) | >= 2.0 |
 
 ## Modules

modules/docker-build/versions.tf

@@ -8,7 +8,7 @@ terraform {
     }
     docker = {
       source  = "kreuzwerker/docker"
-      version = ">= 2.12"
+      version = ">= 2.12, < 3.0"
     }
     null = {
       source  = "hashicorp/null"