[Issue]: Hyperlink of 'https://docs.trychroma.com/embeddings' is not working anymore

[CellCS]

Describe the issue

There are couple of places that use hyperlink of 'https://docs.trychroma.com/embeddings' while this web is not working anymore. like it is referenced in 'https://microsoft.github.io/autogen/blog/2023/10/18/RetrieveChat/'.

Steps to reproduce

hyperlink of 'https://docs.trychroma.com/embeddings' while this web is not working anymore. like it is referenced in 'https://microsoft.github.io/autogen/blog/2023/10/18/RetrieveChat/'.

Screenshots and logs

Additional Information

Updated hyperlink is "https://docs.trychroma.com/guides/embeddings"

[CellCS]

Fix is in PR #3539 , please review.