* style: import dd-trace hook before use in _autoload.php

Signed-off-by: Tom Carrio <tom@carrio.dev>

* style: import before use in  otel _autoload.php

Signed-off-by: Tom Carrio <tom@carrio.dev>

* refactor: support logger in SplitProvider

Signed-off-by: Tom Carrio <tom@carrio.dev>

* test: return using stringable magic method FlagdProviderTest.php

Signed-off-by: Tom Carrio <tom@carrio.dev>

---------

Signed-off-by: Tom Carrio <tom@carrio.dev>