Downgrade checkout action (?)

.github/workflows/build-wheels.yml

@@ -5,7 +5,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v1
     - name: Build manylinux2014 x86-64 wheels
@@ -39,7 +39,7 @@ jobs:
           - '3.10'
           - '3.11'
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}

.github/workflows/run-tests.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: 
+        python-version:
           - '3.7'
           - '3.8'
           - '3.9'
@@ -14,7 +14,7 @@ jobs:
           - '3.11'
         with-extension: ['0', '1']
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with: