disable cpp-linter (#7229)

.github/workflows/cpp-linter.yml

@@ -12,6 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: cmake
+        run: CXX=clang++-12 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release .
       - uses: shenxianpeng/cpp-linter-action@master
         id: linter
         env:
@@ -32,4 +34,5 @@ jobs:
 
       - name: Check Result
         if: steps.linter.outputs.checks-failed > 0
-        run: exit 1
+        run: |
+          echo "Failed linting."