Geneva Exporter to use OTel 1.2.0 new release (#321)
Geneva Exporter to use OTel 1.2.0 new release (#321)

* use same xunit versions for geneva tests

* use RepoRoot in csproj files instead of relative parents

* changelog update

Co-authored-by: Cijo Thomas <242191b8c991f635fefc07748c2f69af50b38db4@microsoft.com>
open-telemetry/opentelemetry-dotnet-contrib,open-telemetry/opentelemetry-dotnet-contrib