Fix #1881 | Make the connection factory pruning timer demand-driven - #4479

EXEC(0,0): Error Message: 

build.proj(717,5): Error MSB3073: The command " "dotnet" test "/mnt/vss/_work/1/s/src/../src/Microsoft.Data.SqlClient/tests/ManualTests/Microsoft.Data.SqlClient.ManualTests.csproj" -p:Configuration=Debug --blame-hang --blame-hang-dump-type full --blame-hang-timeout 10m --collect "Code coverage" --settings "/mnt/vss/_work/1/s/src/../src/Microsoft.Data.SqlClient/tests/tools/Microsoft.Data.SqlClient.TestUtilities/CodeCoverage.runsettings" --filter "category!=failing&category!=flaky&category!=interactive&category!=signed&(Set=3)" -f net9.0 --results-directory "TestResults" --logger:"trx;LogFilePrefix=SqlClientManual-Unix-net9.0-3" -p:AbstractionsPackageVersion=7.1.0-preview2ci20915 -p:LoggingPackageVersion=7.1.0-preview2ci20915 -p:SqlClientPackageVersion=7.1.0-preview2ci20915 -p:SqlServerPackageVersion=1.1.0-preview1ci20915 " exited with code 1.

Error: The process '/opt/hostedtoolcache/dotnet/dotnet' failed with exit code 1

Dotnet command failed with non-zero exit code on the following projects : [ '/mnt/vss/_work/1/s/build.proj' ]