feat: Support OIDC custom property claims for Actions

[sswane]

Adds GET, POST, DELETE methods for enterprises and organizations OIDC custom property claims for GitHub Actions.

• /enterprises/{enterprise}/actions/oidc/customization/properties/repo
• /orgs/{org}/actions/oidc/customization/properties/repo

API Docs: https://docs.github.com/en/rest/actions/oidc?apiVersion=2026-03-10

closes#4407

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.53%. Comparing base (7de90cf) to head (274c01d).

Additional details and impacted files

@@ Coverage Diff @@## master #4411 +/- ##
=======================================
Coverage 97.52% 97.53% =======================================
Files 193 193 Lines 19668 19709 +41 =======================================
+ Hits 19182 19223 +41 
Misses 268 268 Partials 218 218 

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[gmlewis]

Thank you, @sswane!
LGTM.
Awaiting second LGTM+Approval from any other contributor to this repo before merging.

cc: @stevehipwell - @alexandear - @Not-Dhananjay-Mishra

[Not-Dhananjay-Mishra]

LGTM

[gmlewis]

Thank you, @sswane and @Not-Dhananjay-Mishra!
Merging.