use forkserver

[Hhhilulu]

Description

Please add an informative description that covers that changes made by the pull request and link all relevant issues.

All Promptflow Contribution checklist:

• The pull request does not introduce [breaking changes].
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.
• Create an issue and link to the pull request to get dedicated review from promptflow team. Learn more: suggested workflow.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[github-actions]

SDK CLI Test Result luluzuo/refine_process_pool

    2 files      2 suites   1m 52s ⏱️
303 tests 234 ✔️   5 💤   64 ❌
606 runs  468 ✔️ 10 💤 128 ❌

For more details on these failures, see this check.

Results for commit eee60a4.

♻️ This comment has been updated with latest results.

[github-actions]

Executor Unit Test Result luluzuo/refine_process_pool

581 tests   576 ✔️  46s ⏱️
    1 suites      3 💤
    1 files        2 ❌

For more details on these failures, see this check.

Results for commit eee60a4.

♻️ This comment has been updated with latest results.

[github-actions]

Executor E2E Test Result luluzuo/refine_process_pool

146 tests   109 ✔️  1m 19s ⏱️
    1 suites      2 💤
    1 files      35 ❌

For more details on these failures, see this check.

Results for commit eee60a4.

♻️ This comment has been updated with latest results.

[github-actions]

SDK CLI Global Config Test Result luluzuo/refine_process_pool

2 tests   1 ✔️  11s ⏱️
1 suites  0 💤
1 files    1 ❌

For more details on these failures, see this check.

Results for commit eee60a4.

♻️ This comment has been updated with latest results.

[github-actions]

promptflow SDK CLI Azure E2E Test Result luluzuo/refine_process_pool

    2 files      2 suites   2m 4s ⏱️
112 tests   93 ✔️ 18 💤 1 ❌
224 runs  186 ✔️ 36 💤 2 ❌

For more details on these failures, see this check.

Results for commit eee60a4.

♻️ This comment has been updated with latest results.

[github-actions]

SDK PFS E2E Test Result luluzuo/refine_process_pool

  2 files    2 suites   1m 28s ⏱️
15 tests   5 ✔️ 0 💤 0 ❌ 10 🔥
30 runs  10 ✔️ 0 💤 0 ❌ 20 🔥

For more details on these errors, see this check.

Results for commit eee60a4.

♻️ This comment has been updated with latest results.