⬆️ Upgrade actions/checkout action to v6

.github/workflows/publish.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: pypi
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: "Install uv"
         uses: astral-sh/setup-uv@v6

.github/workflows/quality.yaml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup Copywrite
-        uses: hashicorp/setup-copywrite@c53d0661129178ae7ef8b8617c9a3bd135745725
+        uses: hashicorp/setup-copywrite@5e3e8a26d7b9f8a508848ad0a069dfd2f7aa5339
       - name: Check Header Compliance
         run: copywrite headers --plan --config .copywrite.hcl
 
@@ -35,7 +35,7 @@ jobs:
     name: ${{ matrix.name }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: "Install uv"
         uses: astral-sh/setup-uv@v6