message: set AWS API region when creating invalidations
diff: @@ -2,7 +2,7 @@ use crate::Config;
  use anyhow::{Context, Error, Result};
  use aws_sdk_cloudfront::{
  model::{InvalidationBatch, Paths},
  - Client, RetryConfig,
  + Client, Region, RetryConfig,
  };
  use chrono::{DateTime, Utc};
  use serde::Serialize;
  @@ -35,7 +35,8 @@ impl CdnBackend {
  CdnKind::CloudFront => {
  let shared_config = runtime.block_on(aws_config::load_from_env());
  let config_builder = aws_sdk_cloudfront::config::Builder::from(&shared_config)
  - .retry_config(RetryConfig::standard().with_max_attempts(3));
  + .retry_config(RetryConfig::standard().with_max_attempts(3))
  + .region(Region::new(config.s3_region.clone()));
  Self::CloudFront {
  runtime: runtime.clone(),
  