Update blog to invite Martin Grigorov

[RyanSkraba]

What is the purpose of the change

Update the news section of the blog to invite Martin G

Verifying this change

This change is a trivial website change without any test coverage.

Documentation

• Does this pull request introduce a new feature? no
• If yes, how is the feature documented? no

[RyanSkraba]

I have to admit, I don't know how to publish the new website without a release! This is going to be a learning experience...