PHP Extension 5.27.0 released

• Improvement: The PDO database transaction instrumentation is available again, but for now remains disabled by default by a new INI feature flag. Configure tideways.features.sql_transactions=1 to enable the instrumentation.
• Improvement: Stop adding cached/uncached tags to uncachable responses passing through Symfony’s HttpCache (e.g. responses without cache-control: public).
• Bugfix: Fix crashes with PDO database transaction instrumentation.
• Bugfix: Fix possible crash when calling exit(); in a Magento Cronjob, Magento Queue Job, or Laravel Queue Job.