* Moved internal/tools duplicated findRepoRoot function to common package
Created a package under "go.opentelemetry.io/otel/internal/tools/common" with func FindRepoRoot() to return string. Added a line in crosslink to convert outputted string to type repo.
* Removed debugging line
Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
* Added changelog stub
* Update CHANGELOG.md
* Removed change log entry
* Updated docstring for FindRepoPath()
* Change tools/common package to tools
* Added back "errors" import to generator.go
Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
