datadog_trace 1.0.0beta1

This beta release contains all breaking changes planned for dd-trace-php 1.0. An upgrade guide can be found at https://github.com/DataDog/dd-trace-php/blob/1.0.0beta1/UPGRADE-1.0.md.

## Tracer

### Added
- Add --ini and --extension-dir installation option #2620
- CodeIgniter 3 Compatibility #2515
- Add CakePHP 3+ Support #2618

### Changed
- Cleanup deferred loader and remove some PHP 5 compat code #2527
- Change DD_TRACE_SAMPLING_RULES_FORMAT default from regex to glob #2534
- Raise API errors instead of debug logs when wrong arguments are passed #2542
- Change WordPress Default Behavior #2525
- [OTel] Only set resource info on root spans #2558
- Remove early code execution and use an autoloader instead #2530
- Remove deprecated configuration keys or APIs #2574
- Drop Configuration classes from API #2596

### Fixed
- Elasticsearch: Hook not being removed #2616
- Fix shared compilation on macOS
- Fix host Scopes not being removed #2624
- Add note about update_span_duration semantics #2622

### Internal
- Use a global version and change installer tests to use the version #2537
- Clean PHP 5 checks #2584
- Collect 'logs_created' internal metric #2604
- Make the root Makefile macOS compatible #2614
- Add stats reporting for sidecar and telemetry #2621
- Clean Integration configuration #2598
- Re-added spans_created telemetry metric Datadog/libdatadog#391

## Application Security Management

### Fixed
- Disable Appsec when FrankenPHP SAPI is detected #2617