Bump GitHub Actions

Author: hugovk

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup python
         uses: actions/setup-python@v6
         with:
@@ -44,7 +44,7 @@ jobs:
             extra_name: ', check formatting'
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup python
         uses: actions/setup-python@v6
         if: "!endsWith(matrix.python, '-dev')"
@@ -75,7 +75,7 @@ jobs:
         python: ['3.10', '3.11', '3.12', '3.13', '3.14', '3.14t']
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup python
         uses: actions/setup-python@v6
         with: