[jhonabreul]

What does this implement/fix? Explain your changes.

Bumps package <Version>, AssemblyVersion/AssemblyFileVersion and the perf-test baseline reference to 2.0.69.

Includes since 2.0.68:

• Keep the Python error when it was set without a value #159 Keep the Python error when it was set without a value

Does this close any currently open issues?

No.

Any other comments?

After this lands, run the Publish NuGet workflow on master to push 2.0.69 to nuget.org.

Downstream rollout: QuantConnect/Lean#10069 (draft until 2.0.69 is indexed).

Checklist

Check all those that are applicable and complete.

• Make sure to include one or more tests for your change
• If an enhancement PR, please create docs and at best an example
• Ensure you have signed the .NET Foundation CLA
• Add yourself to AUTHORS
• Updated the CHANGELOG