ci: bump actions versions (Dav1dde#472)

Author: scribam

.github/workflows/glad2.yaml

@@ -7,8 +7,8 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.x'
       - name: Install Python dependencies