Update actions/checkout action to v4.3.0

Author: renovate[bot]

.github/workflows/hassfest.yaml

@@ -11,5 +11,5 @@ jobs:
   hassfest_custom:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v4.2.2"
+      - uses: "actions/checkout@v4.3.0"
       - uses: home-assistant/actions/hassfest@master

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
     name: Shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.2
+      - uses: actions/checkout@v4.3.0
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
 
@@ -126,7 +126,7 @@ jobs:
       release_failed: ${{ steps.ha_core_release_tests.outputs.release_failed }}
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v4.3.0
       - name: Prepare code checkout and python/pre-commit setup
         id: cache-reuse
         uses: plugwise/gh-actions/prepare-python-and-code@v1
@@ -166,7 +166,7 @@ jobs:
       dev_failed: ${{ steps.ha_core_dev_tests.outputs.dev_failed }}
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v4.3.0
       - name: Prepare code checkout and python/pre-commit setup
         id: cache-reuse
         uses: plugwise/gh-actions/prepare-python-and-code@v1