Update Amazon support URL to HTTPS in README

[davidjb]

Signed-off-by: David Beitey david@davidjb.com

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• What does this PR aim to accomplish?:

Updates the Amazon affiliate link the readme to HTTPS to avoid a browser security warning on click.

• How does this PR accomplish the above?:

By changing the URL and protocol.

• What documentation changes (if any) are needed to support this PR?:

N/A

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[dschaper]

I think this can go direct to master since it's meta and we won't tag it. A second PR should automatically merge it back to development.

@PromoFaux Can you give me a sanity check on that?

[PromoFaux]

Yeah, fine to add meta commits to master