chore: update actions/checkout action to v7

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

Author: renovate[bot]

.github/workflows/continuous-integration.yaml

@@ -27,7 +27,7 @@ jobs:
           - '8.0'
       fail-fast: false
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
         with:
@@ -69,7 +69,7 @@ jobs:
     name: Code Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Use Node.js 22
         uses: actions/setup-node@v6
         with:
@@ -83,7 +83,7 @@ jobs:
     name: Commit Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Use Node.js 22
@@ -103,7 +103,7 @@ jobs:
       security-events: write
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4