Update actions/checkout action to v6.0.2

Author: renovate[bot]

.github/workflows/actionlint.yml

@@ -10,7 +10,7 @@ jobs:
     name: runner / actionlint
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - name: actionlint
         uses: reviewdog/action-actionlint@v1.69.1
         with:

.github/workflows/review.yml

@@ -16,7 +16,7 @@ jobs:
   rust:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
 
       - uses: actions-rs/toolchain@v1.0.7
         with:

.github/workflows/validate-renovate.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - uses: actions/setup-node@v6.2.0
 
       - name: install