python: add chroma memory store

[joowon-dm-snu]

Motivation and Context

reopen #449

Description

Contribution Checklist

• [ ] The code builds clean without any errors or warnings
• [ ] The PR follows SK Contribution Guidelines (https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
• [ ] The code follows the .NET coding conventions (https://learn.microsoft.com/dotnet/csharp/fundamentals/coding-style/coding-conventions) verified with dotnet format
• [ ] All unit tests pass, and I have added new tests where possible
• [ ] I didn't break anyone :smile:

[joowon-dm-snu]

its draft, i'll add tests and update poetry soon

[alexchaomander]

Thanks for reopening this! Excited to get this in soon!

[lemillermicrosoft]

Consider updating FEATURE_MATRIX.md to include these changes in the Connectors and Skill Libraries section.

[joowon-dm-snu]

@awharrison-28 i think its almost done

[awharrison-28]

@joowon-dm-snu I just pushed a small change to the unit test workflow to hopefully fix the build issue for MacOS + Python 3.11

[awharrison-28]

@joowon-dm-snu finally got a solution that works!