add k8s v13, remove v9

[jessie-JNing]

What are you trying to accomplish with this PR?
add k8s v1.13 to pipeline

How is this accomplished?
update .buildkite.yml

What could go wrong?
...

[dturn]

I'll close out my version of this https://github.com/Shopify/kubernetes-deploy/pull/405/files. But there is more work besides making CI pass, we'll also need to remove the references to 1.9 in the code and updates the read me. See #341 as an example

[jessie-JNing]

I'll close out my version of this https://github.com/Shopify/kubernetes-deploy/pull/405/files. But there is more work besides making CI pass, we'll also need to remove the references to 1.9 in the code and updates the read me. See #341 as an example

Thanks Danny for the example PR.
I'll clean 1.9 related code after finishing the change in k8s-ci

[karanthukral]

we will have to update the changelog when we release the update to the gem

[dturn]

Looks good. I don't think we need to cut a release at this time as an fyi.

[karanthukral]

Looks good. I don't think we need to cut a release at this time as an fyi.

Fair enough, we could have an changelog update with an unreleased note to the latest version

[jessie-JNing]

Looks good. I don't think we need to cut a release at this time as an fyi.

Fair enough, we could have an changelog update with an unreleased note to the latest version

sure, will not give a release at the moment.
I update the changelog though, please check this commit