[ci] Bump github action versions

.github/workflows/docs.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Updated documentation
         run: |
           git config --global user.email "${{ github.actor }}@users.noreply.github.com"

.github/workflows/examples.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup python
         uses: actions/setup-python@v5

.github/workflows/pytest.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup python
         uses: actions/setup-python@v5

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     name: Build sdist and wheel
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       name: Checkout repository
 
     - uses: actions/setup-python@v5

.github/workflows/ruff.yml

@@ -9,7 +9,7 @@ jobs:
   ruff:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: astral-sh/ruff-action@v2
+      - uses: actions/checkout@v6
+      - uses: astral-sh/ruff-action@v3
         with:
           src: "./pyerrors"