Added Log Line : Python extensions listens on port 9003

[BhavyasriVanka]

Fixes #21929

[eleanorjboyd]

hi @BhavyasriVanka, we have a few more spots with ports that need to be logged. I have included some explanations below. Let me know if you want to keep working on this or I can take over. Thanks!

vscode-python/src/client/testing/testController/unittest/testExecutionAdapter.ts

Line 93 in 6b3dec4

const runTestIdsPort = await startTestIdServer(testIds);

vscode-python/src/client/testing/testController/common/server.ts

Line 185 in c184171

TEST_PORT: this.getPort().toString(),

vscode-python/src/client/testing/testController/pytest/pytestDiscoveryAdapter.ts

Line 73 in 998a0a5

TEST_PORT: this.testServer.getPort().toString(),

[eleanorjboyd]

closing as it has been a month since opening, feel free to comment and I can reopen if you would like to work on this further. Thanks