* Use port 4318 for otlptracehttp client default
* Use port 4318 for otlpmetrichttp client default
* Add changes to changelog
* Fix arg pass error
* Simplify defaultPath path parsing
* Change trace options to accept type not pointer
Add benchmark to show allocation improvement.
* Update CONTRIBUTING.md guidelines
* Update all Option iface
* Fix grammar in CONTRIBUTING
* Centralize the retry package for the otlp exporters
* Add dependabot config
* Use unified internal/retry module in otlp exporters
* Remove otlpmetric and otlptrace internal/retry module
* Run go mod tidy in otlp{metric,trace}
* Add retry internal package
* Use retry package in connection
* Use retry package for otlpconfig
* Use the retry package in otlptracegrpc
* Use the retry package in otlptracehttp
* Add changes to CHANGELOG
* Lint internal
* Update otlptracehttp tests
* Update dependencies
* Add retry tests to otlptracehttp
* Remove TestRetry from otlptracehttp