chore: Update outdated GitHub Actions versions

.github/workflows/python.yml

@@ -14,7 +14,7 @@ jobs:
     outputs:
       packages: ${{ steps.find-packages.outputs.packages }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Find Python packages
         id: find-packages
@@ -31,13 +31,13 @@ jobs:
     name: Test ${{ matrix.package }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version-file: "src/${{ matrix.package }}/.python-version"
 
@@ -68,13 +68,13 @@ jobs:
     name: Build ${{ matrix.package }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version-file: "src/${{ matrix.package }}/.python-version"
 
@@ -91,7 +91,7 @@ jobs:
         run: uv build
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dist-${{ matrix.package }}
           path: src/${{ matrix.package }}/dist/
@@ -112,7 +112,7 @@ jobs:
 
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v7
         with:
           name: dist-${{ matrix.package }}
           path: dist/