Update actions/checkout action to v4.2.0

.github/workflows/actionlint.yml

@@ -9,7 +9,7 @@ jobs:
     name: runner / actionlint
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.0
       - name: actionlint
         uses: reviewdog/[email protected]
         with:

.github/workflows/pages.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.0
 
       - name: Setup Pages
         uses: actions/[email protected]

.github/workflows/shellcheck.yml

@@ -10,7 +10,7 @@ jobs:
     name: runner / shellcheck
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.0
       - name: shellcheck
         uses: reviewdog/[email protected]
         with:

.github/workflows/validate-renovate.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.0
       - uses: actions/[email protected]
 
       - name: install