chore: fix curl command to download sam cli

Author: Tom McCarthy

amplify.yml

@@ -7,7 +7,7 @@ backend:
   phases:
     preBuild:
       commands:
-        - curl "https://github.com/aws/aws-sam-cli/releases/latest/download/aws-sam-cli-linux-x86_64.zip" -o "aws-sam-cli.zip"
+        - curl "https://github.com/aws/aws-sam-cli/releases/latest/download/aws-sam-cli-linux-x86_64.zip" -L -o "aws-sam-cli.zip"
         - unzip aws-sam-cli.zip -d sam-installation
         - ./sam-installation/install
     build: