feat: add Philippines holidays (#730)

Refs: #729

Author: naveensingh

.github/workflows/holiday-generator/config.js

@@ -51,6 +51,7 @@ export const COUNTRIES = [
     "NI", // Nicaragua
     "NG", // Nigeria
     "NO", // Norway
+    "PH", // Philippines
     "PL", // Poland
     "PT", // Portugal
     "RO", // Romania

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- Holidays for Philippines ([#729])
 
 ## [1.5.0] - 2025-07-22
 ### Added
@@ -113,6 +115,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#603]: https://github.com/FossifyOrg/Calendar/issues/603
 [#613]: https://github.com/FossifyOrg/Calendar/issues/613
 [#682]: https://github.com/FossifyOrg/Calendar/issues/682
+[#729]: https://github.com/FossifyOrg/Calendar/issues/729
 
 [Unreleased]: https://github.com/FossifyOrg/Calendar/compare/1.5.0...HEAD
 [1.5.0]: https://github.com/FossifyOrg/Calendar/compare/1.4.0...1.5.0