Update CODEOWNERS for the Wafer Map Component (#1101)

# Pull Request

## 🤨 Rationale

After a discussion we decided to update code owners to reflect knowledge
sharing between teams.

## 👩‍💻 Implementation

Update code owners with NIR team members

## 🧪 Testing

no

## ✅ Checklist

<!--- Review the list and put an x in the boxes that apply or ~~strike
through~~ around items that don't (along with an explanation). -->

- [x] I have updated the project documentation to reflect my changes or
determined no changes are needed.

.github/CODEOWNERS

@@ -15,6 +15,7 @@
 /packages/nimble-blazor @atmgrifter00 @msmithNI
 /packages/nimble-components @rajsite @jattasNI
 /packages/nimble-components/.storybook @rajsite @jattasNI @fredvisser
+/packages/nimble-components/src/wafer-map @rajsite @jattasNI @DStavilaNI @zszilagy
 /packages/nimble-tokens @rajsite @jattasNI @fredvisser
 /packages/site @rajsite @jattasNI
 /packages/xliff-to-json-converter @rajsite @TrevorKarjanis @jattasNI