chore(deps): update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: Use Bun
         uses: oven-sh/setup-bun@v2
         with:
@@ -29,7 +29,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: Setup Biome
         uses: biomejs/setup-biome@v2
       - name: Run Biome