Upgrade GitHub Actions
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 4aac23d23..4633fdae3 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -26,9 +26,9 @@ jobs:
       matrix: ${{ fromJson(needs.getchange.outputs.matrix) }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python }}
     - name: Install Dependencies
