feat: add deploy-cli support for Rate Limit Policies (EA)

[ankita10119]

🔧 Changes

Adds deploy-cli support for Rate Limit Policies (EA) - enabling config-as-code management of /api/v2/rate-limit-policies.

Rate limit policies allow tenants to control the number of Authentication API (/oauth/token) requests that client applications can make, with support for block, log, allow, and redirect actions.

New handler: src/tools/auth0/handlers/rateLimitPolicies.ts

• Full CRUD: list (checkpoint pagination), create, update (PATCH sends configuration only), delete
• Graceful 403/404/501 handling for tenants without the feature enabled
• Identified by consumer_selector for config-as-code matching

Directory context: src/context/directory/handlers/rateLimitPolicies.ts

• Reads/writes policies as individual JSON files under rate-limit-policies/
• Filename derived from consumer_selector
• Strips id, created_at, updated_at on export

YAML context: src/context/yaml/handlers/rateLimitPolicies.ts

• Reads/writes policies inline in the YAML config
• Strips id, created_at, updated_at on export

📚 References

• node-auth0 PR: feat: add rate limit policies, group/org role management, and user effective roles/permissions node-auth0#1348

🔬 Testing

Unit tests added for all three layers:

• test/tools/auth0/handlers/rateLimitPolicies.test.ts - create, update, delete, 403 handling, skip-delete
• test/context/directory/rateLimitPolicies.test.ts - parse, dump, empty dir, missing dir
• test/context/yaml/rateLimitPolicies.test.ts - parse, dump

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

❌ Patch coverage is 82.40741% with 19 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.93%. Comparing base (14ac40b) to head (79e2a33).

Files with missing lines	Patch %	Lines
src/tools/auth0/handlers/rateLimitPolicies.ts	74.24%	7 Missing and 10 partials ⚠️
...rc/context/directory/handlers/rateLimitPolicies.ts	96.00%	0 Missing and 1 partial ⚠️
src/context/yaml/handlers/rateLimitPolicies.ts	92.85%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1395      +/-   ##
==========================================
+ Coverage   79.89%   79.93%   +0.03%     
==========================================
  Files         153      156       +3     
  Lines        7092     7200     +108     
  Branches     1561     1582      +21     
==========================================
+ Hits         5666     5755      +89     
- Misses        783      790       +7     
- Partials      643      655      +12     

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