Merge pull request #41 from rursprung/CI-more-generic-build-results-c…

…heck

CI: use more generic version of `build-results`

.github/workflows/CI.yml

@@ -88,11 +88,12 @@ jobs:
     name: Final Results
     if: ${{ always() }}
     runs-on: ubuntu-latest
-    needs: [lib, stm32f4-event-printer]
+    needs:
+      - lib
+      - stm32f4-event-printer
     steps:
-      - name: check for failed builds of the library
-        if: ${{ needs.lib.result != 'success' }}
-        run: exit 1
-      - name: check for failed builds of the example
-        if: ${{ needs.stm32f4-event-printer.result != 'success' }}
-        run: exit 1
+      - name: "check for failed builds"
+        run: |
+          cat <<EOF | jq -e 'unique | all(. == "success")'
+          ${{ toJson(needs.*.result) }}
+          EOF