update workflow (#75)

Author: huangnauh

.github/workflows/test.yml

@@ -15,6 +15,7 @@ jobs:
         go-version: [^1]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
+    if: ${{ github.event_name != 'pull_request_target' || (contains(github.event.pull_request.labels.*.name, 'ok to test') && github.event.pull_request.state == 'open') }}
     env:
       GO111MODULE: "on"
       UPYUN_BUCKET: ${{ secrets.UPYUN_BUCKET }}
@@ -23,6 +24,12 @@ jobs:
       UPYUN_SECRET: ${{ secrets.UPYUN_SECRET }}
       UPYUN_USERNAME: ${{ secrets.UPYUN_USERNAME }}
     steps:
+      - name: Remove 'ok to test' Label
+        if: ${{ github.event_name == 'pull_request_target' }}
+        uses: actions-ecosystem/[email protected]
+        with:
+          labels: 'ok to test'
+
       - name: Install Go
         uses: actions/setup-go@v2
         with: