update about page to replace spotlight images with team photo from retreat

[shughes26]

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[pulumi-bot]

Your site preview for commit 92980532 is ready! :tada:

http://www-testing-pulumi-docs-origin-pr-12907-92980532.s3-website.us-west-2.amazonaws.com.

[pulumi-bot]

Your site preview for commit 6a734a65 is ready! :tada:

http://www-testing-pulumi-docs-origin-pr-12907-6a734a65.s3-website.us-west-2.amazonaws.com.