chore(actions): update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/docs.yaml

@@ -27,7 +27,7 @@ jobs:
       version: ${{ steps.version.outputs.value }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         token: ${{ secrets.ACCESS_TOKEN }}
 
@@ -52,7 +52,7 @@ jobs:
     - prepare
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
         token: ${{ secrets.ACCESS_TOKEN }}

.github/workflows/pull-request.yml

@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Python
       uses: actions/setup-python@v4