upload code coverage on pull_request_target

.github/workflows/test.yml

@@ -118,8 +118,9 @@ jobs:
         run: |
           pytest -v --reruns 5 --cov=maestral --cov-report=xml tests/linked
 
-      - name: Upload coverage to Codecov
+      - name: Upload Code Coverage
         uses: codecov/codecov-action@v1
+        if: github.event_name != 'pull_request_target'
         with:
           file: ./coverage.xml
           flags: pytest
@@ -129,3 +130,18 @@ jobs:
           OS: ${{ matrix.platform }}
           PYTHON: ${{ matrix.python-version }}
           TYPE: 'linked'
+
+      - name: Upload Code Coverage for PR-target
+        uses: codecov/codecov-action@v1
+        if: github.event_name == 'pull_request_target'
+        with:
+          override_pr: ${{ github.event.number }}
+          override_sha: ${{ github.event.pull_request.head.sha }}
+          file: ./coverage.xml
+          flags: pytest
+          env_vars: OS,PYTHON,TYPE
+          name: pytests
+        env:
+          OS: ${{ matrix.platform }}
+          PYTHON: ${{ matrix.python-version }}
+          TYPE: 'linked'