try different env var

Author: umbynos

Diff for: .github/workflows/generate-index.yml

@@ -77,4 +77,4 @@ jobs:
       - name: s3 sync
         run: ./s3Copy.sh . s3://arduino-downloads-prod-beagle/arduino-fwuploader
         env:
-          AWS_REGION: "us-east-1" # or https://github.com/aws/aws-cli/issues/5623
+          AWS_EC2_METADATA_DISABLED: true # or https://github.com/aws/aws-cli/issues/5623