* Deprecate Array attribute in favor of *Slice types
* Use new attr types in Jaeger exporter
* Use slice attr types in otlpmetric
* Use slice attr types in otlptrace
* Use slice attr types in zipkin exporter
* Remove array attr test from deprectated oteltest func
* Use StringSlice for cmd arg resource attr
* Add changes to the changelog
* Remove use of deprecated Array func