Support score_per_period in RulesetRuleRateLimit

[troymjones]

Current cloudflare-go version

0.59.0

Description

Indeed would like to use score_per_period and score_response_header_name in terraform but need it to be supported in the SDK before it can be added to the terraform provider.

Use cases

See example here: https://developers.cloudflare.com/waf/rate-limiting-rules/create-api/#example-d---complexity-based-rate-limiting-rule

Potential cloudflare-go usage

See example here: https://developers.cloudflare.com/waf/rate-limiting-rules/create-api/#example-d---complexity-based-rate-limiting-rule

References

No response