Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/CI.yml

@@ -31,7 +31,7 @@ jobs:
   build-wasm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           sparse-checkout: |
             fix-python-soname
@@ -89,7 +89,7 @@ jobs:
     name: stable - ${{ matrix.settings.target }} - node@20
     runs-on: ${{ matrix.settings.host }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Download WASM artifacts
         uses: actions/download-artifact@v4
         with:
@@ -187,7 +187,7 @@ jobs:
           - '3.13'
     runs-on: ${{ matrix.settings.host }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v4
         with:
           version: latest
@@ -257,7 +257,7 @@ jobs:
           # - '3.14-rc'
     runs-on: ${{ matrix.settings.host }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v4
         with:
           version: latest
@@ -350,7 +350,7 @@ jobs:
       - test-macOS-windows-binding
       - test-linux-binding
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v4
         with:
           version: latest

.github/workflows/lint.yml

@@ -23,7 +23,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: setup pnpm
         uses: pnpm/action-setup@v4
         with: