This commit removes unnecessary main-branch merges starting from
8750608b5b and adds the following
needed commit(s) that were made afterward:
- 5dce82c48b
This updates references to the deprecated server.use-forward-headers property to the recommended server.forward-headers-strategy property. This also mentions the Reactive ForwardedHeaderTransformer alongside the ForwardedHeaderFilter and updates their links to point to the respective reference docs.