added myself (actions#69)

Author: juliandunn

humans.txt.yaml

@@ -61,6 +61,7 @@ humans:
 - name: "Joris Abalea"
   alum: true
 - name: "Josh Gross"
+- name: "Julian Dunn"
 - name: "Julio Barba"
 - name: "Kamil Grzebien"
 - name: "Konrad Pabjan"