chore(deps): update actions/checkout action to v6 (#4)

Author: renovate[bot]

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       id-token: write
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv and setup the python version
         uses: astral-sh/setup-uv@v7
@@ -72,7 +72,7 @@ jobs:
             arch: arm64
             runner: macos-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.tag || github.ref_name }}
 
@@ -115,7 +115,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download all artifacts
         uses: actions/download-artifact@v4

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.12", "3.13", "3.14"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -46,7 +46,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6