Nit workflow fix to keep CI greener

[cijothomas]

^ ->?

[codecov]

Codecov Report

Merging #3548 (0f7173d) into main (aba6eaf) will increase coverage by 0.15%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3548      +/-   ##
==========================================
+ Coverage   87.07%   87.22%   +0.15%     
==========================================
  Files         275      275              
  Lines        9959     9959              
==========================================
+ Hits         8672     8687      +15     
+ Misses       1287     1272      -15     

Impacted Files	Coverage Δ
...Propagators/OpenTelemetryPropagatorsEventSource.cs	87.50% <0.00%> (-12.50%)	⬇️
...tation/OpenTelemetryProtocolExporterEventSource.cs	75.00% <0.00%> (-10.00%)	⬇️
...tpListener/Internal/PrometheusCollectionManager.cs	78.04% <0.00%> (-2.44%)	⬇️
src/OpenTelemetry/BatchExportProcessor.cs	82.24% <0.00%> (-1.87%)	⬇️
...nTelemetry/Internal/OpenTelemetrySdkEventSource.cs	76.66% <0.00%> (-0.84%)	⬇️
...emetry.Api/Internal/OpenTelemetryApiEventSource.cs	82.35% <0.00%> (+2.94%)	⬆️
...metryProtocol/Implementation/ActivityExtensions.cs	94.50% <0.00%> (+3.29%)	⬆️
...ZPages/Implementation/ZPagesExporterEventSource.cs	62.50% <0.00%> (+6.25%)	⬆️
...xporter.OpenTelemetryProtocol/OtlpTraceExporter.cs	77.27% <0.00%> (+40.90%)	⬆️
...entation/ExportClient/OtlpGrpcTraceExportClient.cs	78.57% <0.00%> (+42.85%)	⬆️

[cijothomas]

success!

[alanwest]

At first I thought to myself... 🐇 approved a PR without a newline at the end of the file?! BUT then I opened up the resolved comment #3548 (comment) 😆. #3556

[reyang]

Adding a cop here #3557.