Add support for score_per_period in RulesetRuleRateLimit

[troymjones]

closes #1182

Description

Adds support for score_per_period and score_response_header_name for Advanced Rate limiting so it is usable by the the Cloudflare Terraform Provider.

What sort of change does your code introduce/modify?

• [ X ] New feature (non-breaking change which adds functionality)

[github-actions]

changelog detected ✅

[jacobbednarz]

PR looks good, thanks! i'm going to hold off merging until we can confirm the stability of this functionality and whether it's ready for inclusion in our SDKs.

[codecov-commenter]

Codecov Report

Merging #1183 (c7d9206) into master (6153c1e) will decrease coverage by 0.05%.
The diff coverage is 49.38%.

@@            Coverage Diff             @@
##           master    #1183      +/-   ##
==========================================
- Coverage   49.40%   49.36%   -0.05%     
==========================================
  Files         127      128       +1     
  Lines       12290    12436     +146     
==========================================
+ Hits         6072     6139      +67     
- Misses       4840     4893      +53     
- Partials     1378     1404      +26     

Impacted Files	Coverage Δ
access_organization.go	64.70% <ø> (ø)
cloudflare_experimental.go	0.00% <0.00%> (ø)
rulesets.go	35.09% <ø> (ø)
teams_rules.go	44.94% <0.00%> (-0.52%)	⬇️
utils.go	72.72% <ø> (ø)
cloudflare.go	68.37% <14.28%> (-0.34%)	⬇️
mtls_certificates.go	26.59% <26.59%> (ø)
workers_bindings.go	67.44% <40.00%> (-2.31%)	⬇️
origin_ca.go	57.26% <90.90%> (-2.09%)	⬇️
dns.go	72.72% <96.36%> (+9.00%)	⬆️
... and 12 more

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[jacobbednarz]

appreciate it @troymjones 👏

[github-actions]

This functionality has been released in v0.60.0.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!