Update Diagnostic Source to rc version

[vishweshbankwar]

Fixes #.

Changes

Please provide a brief description of the changes here.

For significant contributions please make sure you have completed the following items:

• Appropriate CHANGELOG.md updated for non-trivial changes
• Design discussion issue #
• Changes in public API reviewed

[codecov]

Codecov Report

Merging #3698 (f70fec5) into main (8800b2f) will increase coverage by 0.23%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3698      +/-   ##
==========================================
+ Coverage   87.54%   87.77%   +0.23%     
==========================================
  Files         283      283              
  Lines       10308    10308              
==========================================
+ Hits         9024     9048      +24     
+ Misses       1284     1260      -24     

Impacted Files	Coverage Δ
...tation/OpenTelemetryProtocolExporterEventSource.cs	75.00% <0.00%> (-10.00%)	⬇️
...Listener/Internal/PrometheusExporterEventSource.cs	61.11% <0.00%> (-5.56%)	⬇️
...tpListener/Internal/PrometheusCollectionManager.cs	72.52% <0.00%> (-2.20%)	⬇️
...metryProtocol/Implementation/ActivityExtensions.cs	95.05% <0.00%> (+3.29%)	⬆️
src/OpenTelemetry/Logs/Pool/LogRecordSharedPool.cs	100.00% <0.00%> (+21.05%)	⬆️
...xporter.OpenTelemetryProtocol/OtlpTraceExporter.cs	77.27% <0.00%> (+40.90%)	⬆️
...entation/ExportClient/OtlpGrpcTraceExportClient.cs	78.57% <0.00%> (+42.85%)	⬆️

[cijothomas]

changelog for api project too