Merge pull request #405 from FoamyGuy/limit_images_to_adafruit

limit image workflow to adafruit fork

Author: dhalbert

.github/workflows/images.yml

@@ -15,6 +15,7 @@ concurrency:
 
 jobs:
   update-images:
+    if: github.repository_owner == 'adafruit'
     runs-on: ubuntu-20.04
     steps:
     - name: Dump GitHub context