* Add attribute length limits to SpanLimits.
* Respond to PR feedback
* Respond to PR feedback
* Remove test utility function
* Rename method to getMaxAttributeValueLength
* Add the OpenTelemetry schema URL to the InstrumentationLibraryInfo and the corresponding API calls.
* small refactoring and doc tweaks from feedback
* make the instrumentation version nullable on the method that takes a schema
* update the apidiffs
* add since tags and a few more missing nullable annotations
* Switch to using a Builder rather than method overloads.
* Add a task to compare public APIs for every stable module.
* add a few comments and make the build task depend on the japicmp task
* update the api diffs after rebasing.
* task must depend on jar
* a few script tweaks based on feedback
* small tweak to make it a little more kotlin-idiomatic
* refactoring to make the code more clear
* some more refactoring.
* make the latest released version a lazy val of the build script
* have the task depend on check, rather than build
* put all the API diffs into a central directory
* run at --info to diagnose CI issues
* try an older java 11 version
* try another combo
* remove the info logging