[ci] Fix Typo, add TODO

Author: lemonmojo

.github/workflows/ci.yml

@@ -65,11 +65,12 @@ jobs:
         cd Samples/Beyond.NET.Sample.C
         ./build_${{ matrix.env.SCRIPT_SUFFIX }}
 
+    # TODO: Verify that transform actually returns the expected result
     - name: run C sample
       run: |
         cd Samples/Beyond.NET.Sample.C
         ./bin/transform 'abc123üiı'
-ü
+
     - name: build Go sample (Linux)
       if: "success() && matrix.env.OS == 'linux'"
       run: |