update checkout and setup-python actions version (#316)

Author: RemyLau

.github/workflows/release.yml

@@ -9,8 +9,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
 
     - name: Install dependencies
       run: |

.github/workflows/tests.yml

@@ -13,10 +13,10 @@ jobs:
         python-version: ['3.8', '3.9']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}