Merge pull request #40 from contentstack/next GCP support implementation

Added PHP8.2 support. (#36) (#37) * Added PHP8.2 support. (#36) PHP 7.4, the last version in the 7.x series, reached its End-of-Life date on November 28th, 2022. So, Contentstack does not provide any support for PHP 7.x series. * Updated changelog file in php sdk (#38) * Updated changelog file in php sdk * Deleted secrets and sast file

Added 'include_matadata' and set default region to 'us' (#33) * Added 'include_matadata' and set default region to 'us' * Updated License file * Removed duplicate line

Merge pull request #32 from contentstack/live_preview_entry_issue Fixed Live Preview | Extra key word entry for the reference field bre…

Merge pull request #30 from contentstack/feature/PHP-reference-support Added reference support for PHP SDK

Merge pull request #29 from contentstack/feature/PHP-proxy Added proxy and Retry functionality

Rest.php test file added back 

Merge pull request #25 from contentstack/feature/live-preview Feature/live preview

Merge pull request #24 from contentstack/feature/json-rte 🎉 Json RTE Feature

fix: 🐛 Test case bug resolved