Flaky test TestNewInstrumentation on Windows

[carsonip]

TestNewInstrumentation fails occasionally on CI for Windows.

=== RUN   TestNewInstrumentation
2024/10/09 11:19:32 http: TLS handshake error from 127.0.0.1:65081: read tcp 127.0.0.1:65079->127.0.0.1:65081: use of closed network connection
    testing.go:1232: TempDir RemoveAll cleanup: remove C:\Users\RUNNER~1\AppData\Local\Temp\TestNewInstrumentation2046649348\001\cert.pem: The process cannot access the file because it is being used by another process.
--- FAIL: TestNewInstrumentation (1.66s)