website: use smaller og image (#5053)

This is done for the same reason as https://github.com/hashicorp/consul/pull/4005
and essentially reverts https://github.com/hashicorp/consul/pull/4953
which gave us unwanted unfurling behavior for links to consul.io from
services such as Slack.
This commit is contained in:
Jack Pearkes 2018-12-04 16:44:23 -08:00 committed by GitHub
parent 8433b26b78
commit 628a25bbc7
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