[ci] Add retries to upload to S3

[driazati]

Uploading artifacts sometimes fails, we should retry it up to 3 times with a short backoff. Example failure: https://ci.tlcpack.ai/blue/organizations/jenkins/tvm/detail/main/3840/pipeline/378

cc @Mousius @areusch

[areusch]

cc @hpanda-naut

[areusch]

@gigiblender want to take a look at this one?