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

Author: renovate[bot]

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
         node-version: [22.x]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:
@@ -42,7 +42,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           # renovate: datasource=docker depName=node

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
                     private-key: ${{ secrets.CI_PRIVATE_KEY }}
 
             -   name: Checkout
-                uses: actions/checkout@v4
+                uses: actions/checkout@v6
                 with:
                     fetch-depth: 0
                     token: ${{ steps.app-token.outputs.token }}