Fix master not running Simple CI (#5368)

Co-authored-by: oneflow-ci-bot <69100618+oneflow-ci-bot@users.noreply.github.com>

.github/workflows/simple.yml

@@ -15,7 +15,6 @@ on:
 jobs:
   cancel_previous:
     name: Cancel previous runs
-    if: github.event.pull_request.draft == false && github.base_ref == 'master' && contains(github.event.pull_request.requested_reviewers.*.login, 'oneflow-ci-bot')
     runs-on: ubuntu-latest
     steps:
       - name: Cancel previous runs of outdated commit
@@ -25,7 +24,7 @@ jobs:
           access_token: ${{ github.token }}
   hosted:
     name: CPU-only
-    if: github.event.pull_request.draft == false && github.base_ref == 'master' && contains(github.event.pull_request.requested_reviewers.*.login, 'oneflow-ci-bot')
+    if: github.ref == 'refs/heads/master' || (github.event.pull_request.draft == false && contains(github.event.pull_request.requested_reviewers.*.login, 'oneflow-ci-bot'))
     runs-on: ${{ matrix.os }}
     needs: [cancel_previous]
     strategy:
@@ -131,7 +130,7 @@ jobs:
         shell: bash
       - name: Build (ALL)
         if: always()
-        continue-on-error: ${{ matrix.cmake_generator == 'Ninja' && matrix.build_shared_libs == 'ON' }}
+        continue-on-error: ${{ startsWith(runner.os, 'macOS') && matrix.cmake_generator == 'Ninja' && matrix.build_shared_libs == 'ON' }}
         run: |
           mkdir -p build
           cd build