Add DanielRosenwasser to PR owners. (microsoft#47006)

DanielRosenwasser · web-flow · commit 6a1af7cf5fc2 · 2021-12-03T12:32:16.000-08:00
diff --git a/.github/pr_owners.txt b/.github/pr_owners.txt
@@ -13,3 +13,4 @@ minestarks
 armanio123
 gabritto
 jakebailey
+DanielRosenwasser
