Bump Microsoft.Azure.Functions.Worker.Extensions.Timer from 4.0.1 to 4.3.1 in /tracer/test/test-applications/azure-functions/Samples.AzureFunctions.V4Isolated

Bump Microsoft.Azure.Functions.Worker.Extensions.Timer from 4.0.1 to 4.3.1 in /tracer/test/test-applications/azure-functions/Samples.AzureFunctions.V4Isolated #20610