ci: bump actions/checkout from 5 to 6 (#3487)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Node.js
         uses: actions/setup-node@v6
         with:
@@ -34,7 +34,7 @@ jobs:
     needs: [test, types]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Node.js
         uses: actions/setup-node@v6
         with:
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Node.js ${{matrix.node-version}}
         uses: actions/setup-node@v6
         with:
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Node.js
         uses: actions/setup-node@v6
         with:
@@ -99,7 +99,7 @@ jobs:
       checks: write
       statuses: write
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Install Node.js
       uses: actions/setup-node@v6
       with: