aws: add ca-west-1 region

[jeremy-albuixech]

Description
This adds the missing ELB/NLB entries for the ca-west-1 region in AWS (Route53).

Reference documentation for the values used: https://docs.aws.amazon.com/general/latest/gr/elb.html

Fixes Support for ca-west-1 (Calgary)

Checklist

• Unit tests updated
• End user documentation updated

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: jeremy-albuixech / name: Jérémy Albuixech (8ef04ef, 95ba9f3)

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[k8s-ci-robot]

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[mloiseleur]

Thanks.
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mloiseleur

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[chertz-auth0]

Thanks. /lgtm /approve

@mloiseleur thanks for the approval, any chance we can get it released this week as we're waiting to provision in ca-west-1.

[mloiseleur]

There is a staging docker image available, built on master:
https://console.cloud.google.com/gcr/images/k8s-staging-external-dns/GLOBAL/external-dns