Swap back to adafruit/ci-arduino

Author: tyeth

.github/workflows/build-clang-doxy.yml

@@ -579,7 +579,7 @@ jobs:
           echo >>$GITHUB_ENV WS_VERSION=$(git describe --dirty --tags)
       - uses: actions/checkout@v4
         with:
-          repository: brentru/ci-arduino
+          repository: adafruit/ci-arduino
           path: ci
           ref: ci-wippersnapper
       - name: Install CI-Arduino