AWS updates (#447)

* AWS updates

* CloudFormation stack parameter for changing CloudFront tile cache TTL.
* S3 requests are always set as Requester Pays, enabling fetching from buckets in other accounts.

serverless/aws/src/index.ts

@@ -77,6 +77,8 @@ class S3Source implements Source {
           Range: "bytes=" + offset + "-" + (offset + length - 1),
           // biome-ignore lint: aws api
           IfMatch: etag,
+          // biome-ignore lint: aws api
+          RequestPayer: "requester",
         })
       );
     } catch (e: unknown) {