Invalid rate limit characteristic

[jonasbb]

https://github.com/doctena-org/octorules-cloudflare/blob/ac57450/docs/lint/stage2-per-rule.md#cf213--invalid-rate-limit-characteristic

[jonasbb]

Incompatible rate limit characteristics
https://github.com/doctena-org/octorules-cloudflare/blob/ac57450/docs/lint/stage2-per-rule.md#cf225--incompatible-rate-limit-characteristics