add timezone support

[LawyZheng]

Important

Add timezone support by using local time in datetime operations and configuring timezone based on proxy location.

• Behavior:
  • Replaces utc_datetime with local_datetime in agent.py and multiple .j2 template files to use local timezone.
  • Adds tz_info to SkyvernContext in skyvern_context.py to store timezone information.
  • Updates get_tzinfo_from_proxy() in tasks.py to map ProxyLocation to ZoneInfo.
• Context Management:
  • Uses ensure_context() in agent.py and handler.py to ensure timezone context is available.
• Browser Configuration:
  • Modifies build_browser_args() in browser_factory.py to set timezone_id based on proxy_location.
  • Updates create_browser_context() in browser_factory.py to set tz_info in context based on proxy_location.

^{This description was created by for ff642f4. It will automatically update as commits are pushed.}

[ellipsis-dev]

👍 Looks good to me! Reviewed everything up to ff642f4 in 1 minute and 17 seconds

More details

• Looked at 372 lines of code in 13 files
• Skipped 0 files when reviewing.
• Skipped posting 1 drafted comments based on config settings.

1. skyvern/forge/sdk/core/skyvern_context.py:14

• Draft comment:
  Consider setting a default timezone to avoid potential errors when context.tz_info is None. This will ensure that datetime operations do not fail due to a missing timezone.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The code changes in the PR are consistent with the intent to add timezone support. However, there is a potential issue with the default timezone handling when the proxy location is not set. The code should ensure that a default timezone is set to avoid potential errors when context.tz_info is None.

Workflow ID: wflow_YSg4URI4iFlg59GM

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