[BLOG] Query insights 2.19 features

[ansjcy]

Describe the blog post

This should include query insights dashboards, historical data support etc.

Expected Title

What's new in OpenSearch Query Insights: Advanced grouping, dashboards, and historical analysis

Authors Name

Chenyang Ji

Authors Email

https://github.com/ansjcy

Target Draft Date

No response

Blog Post Category

technical

Target Publication Date

No response

Additional Info

No response

[ansjcy]

Blog PR: #3725

[pajuric]

@ansjcy - Thanks for the blog contribution. If you can connect with me via email at pattijur@amazon.com, as I want to be sure I'm aligned with you on the blog and process.