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

Author: renovate[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         node-version: [18.x, 20.x, 22.x]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: jdx/mise-action@v2
       - run: pnpm i
       - name: types
@@ -40,7 +40,7 @@ jobs:
       CI: true
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v2
         with:
           version: 8.15.9

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Need history for changelog generation
       - uses: pnpm/action-setup@v2