stabilize logger.enabled (#1580)

- update Logger.isEnabled signature to include context and severity number, per spec
- accept event_name on a LogRecord
- add event name to otlp logs payload
- update or remove some comments that were based on the old logs-bridge specification

Fix `LateBindingMeter::createObservable{Instrument}()` (#1524)

fix gRPC timeout (#1498) (#1499)

support refactored otlp export config (#1477)

upstream config now splits otlp exporters into otlp_http and otlp_grpc

* use const, remove insecure from otlp_http config

* Apply suggestions from code review

Co-authored-by: Tobias Bachert <[email protected]>

* set default endpoints, fix review feedback

* move endpoint out of yaml anchor

* convert timeouts from millis to seconds

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Co-authored-by: Tobias Bachert <[email protected]>

deprecate event logger (#1466)

The event logger was a Development-status component of the logging signal. It has been
removed in favour of adding emitEvent to the logger interface,
see open-telemetry/opentelemetry-specification#4319

Added \Attribute::TARGET_PARAMETER to \OpenTelemetry\API\Instrumentat…

…ion\SpanAttribute (#1433)

Fixes #1429.

Add `TextMapPropagator` to instrumentation context (#1401)

Remove `MeterInterface::isEnabled()` and fix meter config re-enabling…

… (#1387)

Remove `MeterInterface::isEnabled()` and fix meter config re-enabling…

… (#1387)

fix withspan handler nullable + example (#1377)

- class is nullable for pre hooks
- add phpt tests for withspan and its interaction with auto root span