Update public key information. Note that the only value you can change is the comment.
See https://www.paws-r-sdk.com/docs/cloudfront_update_public_key/ for full documentation.
cloudfront_update_public_key(PublicKeyConfig, Id, IfMatch = NULL)
[required] A public key configuration.
[required] The identifier of the public key that you are updating.
The value of the ETag
header that you received when retrieving the
public key to update. For example: E2QWRUHAPOMQZL
.