HTTP rate limit headers changes during draft versions

[kolbma]

The HTTP headers for rate limiting changed during drafting...
https://datatracker.ietf.org/doc/html/draft-ietf-httpapi-ratelimit-headers-04
...
https://datatracker.ietf.org/doc/html/draft-ietf-httpapi-ratelimit-headers-07

There is this issue describing the header changes ietf-wg-httpapi/ratelimit-headers#131

When the standard got released, there is the need to adopt this.

[kolbma]

Still at https://datatracker.ietf.org/doc/html/draft-ietf-httpapi-ratelimit-headers-07

Listed now as expired, but according to https://mailarchive.ietf.org/arch/msg/httpapi/NXGR6NdJF574NO0vpiDnhSufWaM/ it is still worked on.