* Stop generating otlptrace/internal and deprecate
* Remove the tracetransform templates
They are no longer used.
* Add change stub to changelog
* Add PR number to changelog
* 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}
Explicitly return nil if the wait time and the context deadline expire
simultaneously, instead of indeterminately the context error or nil, for
the retry wait function in the otlptrace/internal package.
* 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
Tyler Yahn