[DOC] Lucene engine binary vector support

[jed326]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request.

We are adding support for binary vectors in the Lucene engine:

• Add binary index support for Lucene engine k-NN#2292

The following documentation pages will need to be updated to reflect the same:

• https://opensearch.org/docs/latest/search-plugins/knn/knn-index/#binary-vectors
• https://opensearch.org/docs/latest/field-types/supported-field-types/knn-vector#binary-vectors

Version: List the OpenSearch version to which this issue applies, e.g. 2.14, 2.12--2.14, or all.
2.19
What other resources are available? Provide links to related issues, POCs, steps for testing, etc.