Bump actions/checkout from 5 to 6 (#243)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/hassfest.yaml

@@ -13,5 +13,5 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: home-assistant/actions/hassfest@master

.github/workflows/labels.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 🚀 Run Label Syncer
         uses: micnncim/action-label-syncer@v1.3.0

.github/workflows/linting.yaml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 🏗 Set up Poetry
         run: pipx install poetry
       - name: 🏗 Set up Python ${{ env.DEFAULT_PYTHON }}
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 🏗 Set up Poetry
         run: pipx install poetry
       - name: 🏗 Set up Python ${{ env.DEFAULT_PYTHON }}
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 🏗 Set up Poetry
         run: pipx install poetry
       - name: 🏗 Set up Python ${{ env.DEFAULT_PYTHON }}

.github/workflows/typing.yaml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 🏗 Set up Poetry
         run: pipx install poetry
       - name: 🏗 Set up Python ${{ env.DEFAULT_PYTHON }}