[fundamental][bugfix] Refine dev setup script to not automatically touch __init__.py

[zhengfeiwang]

Description

• Add a parameter vscode for dev setup script, so that the script will not automatically touch those __init__.py files.
• Bump promptflow-core version to 1.1.0.dev0 following the new version design/decision.

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 Global Config Test Result zhengfei/bugfix/dev-setup

3 tests   3 ✅  43s ⏱️
1 suites  0 💤
1 files    0 ❌

Results for commit 79838ae.

[github-actions]

promptflow SDK CLI Azure E2E Test Result zhengfei/bugfix/dev-setup

  4 files    4 suites   4m 4s ⏱️
201 tests 181 ✅ 20 💤 0 ❌
804 runs  724 ✅ 80 💤 0 ❌

Results for commit 79838ae.

[github-actions]

Executor Unit Test Result zhengfei/bugfix/dev-setup

754 tests   754 ✅  3m 44s ⏱️
  1 suites    0 💤
  1 files      0 ❌

Results for commit 79838ae.

[github-actions]

Executor E2E Test Result zhengfei/bugfix/dev-setup

223 tests   221 ✅  5m 34s ⏱️
  1 suites    2 💤
  1 files      0 ❌

Results for commit 79838ae.

[github-actions]

SDK CLI Test Result zhengfei/bugfix/dev-setup

   12 files     12 suites   48m 49s ⏱️
  513 tests   494 ✅ 19 💤 0 ❌
2 052 runs  1 976 ✅ 76 💤 0 ❌

Results for commit 79838ae.