persist-credentials: false to avoid recursive checkout

Author: kateinoigakukun

.github/workflows/test.yml

@@ -15,6 +15,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: true
+          persist-credentials: false
       - name: Setup swiftenv
         run: |
           git clone https://github.com/kylef/swiftenv.git ~/.swiftenv
@@ -37,6 +38,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: true
+          persist-credentials: false
       - run: sudo xcode-select -s "${{ matrix.xcode-version }}"
       - run: swift --version
       - run: swift test
@@ -47,6 +49,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: true
+          persist-credentials: false
       - run: swift test --enable-code-coverage
       - run: echo "SWIFT_CODECOV_PATH=$(swift test --show-codecov-path)" >> $GITHUB_ENV
       - uses: codecov/codecov-action@v1