Update githubci.yml

Author: evaherrada

.github/workflows/githubci.yml

@@ -19,7 +19,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/checkout@v2
       with:
-         repository: dherrada/ci-arduino
+         repository: adafruit/ci-arduino
          path: ci
 
     - name: pre-install