Update allowed-labels.yml

Add 'Example request' label

Author: brmur

.github/allowed-labels.yml

@@ -27,6 +27,9 @@
 - name: Bug
   color: f5f7f9
   description: "An update to fix incorrect code or typos."
+- name: Example request
+  color: 296e01
+  description: "Example request."
 
 # Labels for general which aren't tracked
 - name: Scout