apigw-http-api-lambda-terraform: Update AWS Provider to v6 for Python 3.14

Author: kakakakakku

apigw-http-api-lambda-terraform/main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "~> 4.0.0"
+      version = "~> 6"
     }
     random = {
       source  = "hashicorp/random"
@@ -171,4 +171,4 @@ resource "aws_lambda_permission" "api_gw" {
   principal     = "apigateway.amazonaws.com"
 
   source_arn = "${aws_apigatewayv2_api.lambda.execution_arn}/*/*"
-}
+}