Update publish-docs.yml

Author: dsinghvi

.github/workflows/publish-docs.yml

@@ -18,4 +18,6 @@ jobs:
       - name: Publish Docs
         env:
           FERN_TOKEN: ${{ secrets.FERN_TOKEN }}
-        run: fern generate --docs
+        run: | 
+          fern generate --docs --instance fern-api.docs.buildwithfern.com/learn
+          fern generate --docs --instance fern-v2.docs.buildwithfern.com/learn/v2