!dropme: test CI credits

Author: laurensvalk

.github/workflows/build.yml

@@ -109,6 +109,11 @@ jobs:
       run: chmod +x micropython/mpy-cross/build/mpy-cross
     - run: pipx install poetry
     - run: poetry install --only=build
+    - name: Create credits file
+      run: |
+        echo "$PYBRICKS_EV3_CREDITS" > bricks/ev3/credits.txt
+      env:
+        PYBRICKS_EV3_CREDITS: ${{ secrets.PYBRICKS_EV3_CREDITS }}
     - name: Build firmware (pull request)
       if: ${{ github.base_ref != null }}
       run: poetry run .github/build-each-commit.py ${{ matrix.hub }} ${{ github.sha }}