Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/documentation.yml

@@ -6,7 +6,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.head.ref }}
 

.github/workflows/semgrep.yml

@@ -9,7 +9,7 @@ jobs:
     container:
       image: returntocorp/semgrep
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
     - run: semgrep scan --error --config auto
       env:
         SEMGREP_APP_TOKEN: ${{ secrets.SEMGREP_APP_TOKEN }}