chore: bump checkout v4→v6, setup-python v5→v6

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: zeev-dreifuss-ownera

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -52,7 +52,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
           cache: pip
@@ -79,7 +79,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
@@ -102,7 +102,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
           cache: pip

.github/workflows/publish.yml

@@ -17,8 +17,8 @@ jobs:
       id-token: write
       contents: read
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
       - run: pip install build