chore(deps): update actions/checkout action to v6 (#141)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with: