Update actions/checkout action to v6 (#35198)

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

.github/workflows/assign-labels.yml

@@ -12,7 +12,7 @@ jobs:
     name: Assign labels
     runs-on: ubuntu-slim
     steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         sparse-checkout: |
           .github

.github/workflows/socket-fix.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-slim
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
         with:

.github/workflows/sync-and-rebase-pr-from-fork.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-slim
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 

.github/workflows/update-dep.yml

@@ -29,7 +29,7 @@ jobs:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0